Black neoprene cement for freediving and spearfishing repairs

The Cressi neoprene cement is specifically formulated for quick, reliable repairs on wetsuits and neoprene accessories used for freediving and spearfishing. Suitable for sealing cuts, tears, and splits, it provides a stable, durable bond even in the most stressed areas.

The product is effective on both dry and wet material, allowing immediate repair work directly in the water or after a dive without the need for pre-drying.

Technical features

• Black color, ideal for maintaining a uniform look on neoprene
• 30-gram tube format, practical and easy to handle for targeted repairs
• Specific neoprene adhesive composition designed to bond perfectly to the material even in humid conditions
• Italian production by Cressi, synonymous with quality and material control

Applications

• Repairs on freediving and spearfishing wetsuits
• Fixing cuts and tears on neoprene vests and accessories
• Quick repairs during water sessions thanks to its ability to work on wet surfaces

Neoprene Glue for Repairs and Modifications of Wetsuits and Accessories

Specific glue for Neoprene, developed for quick repairs and modifications on wetsuits and accessories used in freediving and spearfishing. This product is ideal for jobs that require precision and long-lasting durability.

Technical Features

• Quick and easy to apply, allowing immediate repairs without compromising the elasticity and fit of the Neoprene.
• Waterproofing, effectively seals seams and tears, ensuring a watertight seal even under pressure.
• Formula suitable for work on freediving wetsuits and underwater gear, maintaining the flexibility of the treated material.
• Black color, suitable for discreet, professional-looking repairs.
• 20-gram tube, practical for both field and workshop repairs.
• Product from the Picasso line, specialized in Neoprene adhesives for underwater use.

Use

Designed to extend the lifespan of wetsuits and accessories without altering the thermal comfort or freedom of movement typical of Neoprene. It allows cuts and tears to be sealed quickly, maintaining the material’s strength and preventing water infiltration.

Best Divers Freediving Neck Weight

The Best Divers Freediving Neck Weight is designed to optimize trim during freediving, transferring the center of gravity from the neck to the upper rear section of the lungs. Its elongated shape reduces load on the cervical area, improving balance and helping achieve a more stable, natural trim in the water.

Technical features and materials

• Made with high-quality materials: original Cordura outer shell for mechanical strength and durability, padded interior with Airnet Spacer Plus, a water-repellent material that ensures comfort and breathability.
• Two shaped weighted wings, filled with nickel-plated lead shot to prevent oxidation, keep the neck weight from rotating and ensure stability during the dive.
• The initial fixed weight is 1 kg, expandable with two reinforced pockets to add up to 2 kg more in 250-gram increments.
• The maximum achievable weight is therefore 3 kg, customizable according to the ideal weighting of the freediver or spearfisher.
• Lead shot available separately in 250 g, 500 g, and 1 kg sizes to fine-tune the neck weight to your trim.

Adjustment and closure

• The Velcro closure allows quick release, essential for safety in the water.
• The size is adjustable from 38 to 48 cm, ensuring a precise and comfortable fit.

Available colors

• Red
• Black

Collare Apnea - Best Divers

Il Collare Apnea Best Divers è una zavorra da collo da 1,8 kg che compensa il galleggiamento e aiuta l'apneista a mantenere un assetto orizzontale stabile e idrodinamico. È pensato per l'apnea statica e l'apnea dinamica, sia in piscina sia in mare, ed è indicato anche per la pesca in apnea.

Una volta indossato, distribuisce il peso sulle spalle e sui muscoli del busto, senza pesare sulla zona cervicale.

Peso fisso e nucleo zavorrante sigillato

La massa di 1,8 kg è fissa e sigillata all'interno del rivestimento. Il nucleo flessibile segue la forma della zona cervicale e aderisce in modo anatomico. Non si possono aggiungere moduli di piombo.

Rivestimento in tessuto tecnico ad alta resistenza

• Tessuto tecnico nero resistente alla salsedine e all'usura da contatto con la muta in neoprene
• Colore nero profondo che resiste allo sbiadimento causato dai raggi UV
• Materiali resistenti agli agenti chimici, adatti all'uso in piscine con cloro e in acque termali

Chiusura regolabile con sgancio rapido di sicurezza

La fascia anteriore regolabile ha una apertura rapida di sicurezza. Per aprire il collare basta tirare l'estremità della fascia verso l'esterno. Lo sgancio può farlo l'apneista da solo oppure il personale di sicurezza in superficie.

Caratteristiche tecniche

• Peso: 1,8 kg (massa complessiva a secco)
• Colore: nero
• Zavorra: fissa, sigillata nel rivestimento
• Chiusura: fascia regolabile con apertura rapida di sicurezza
• Utilizzo: apnea statica, apnea dinamica, assetto in mare, pesca in apnea

Come indossare il collare

1. Appoggia il collare dietro il collo, facendolo poggiare sulle spalle.
2. Chiudi la fascia anteriore regolando la tensione, senza comprimere la gola.
3. Fai una prova di respirazione a secco per verificare il comfort.
4. In acqua, controlla l'assetto e regola la zavorra complessiva se serve.
5. Prova più volte la manovra di sgancio e memorizza la posizione della mano.
6. Dopo l'uso, sciacqua il collare con acqua dolce.

Neck Weight Ballast - Salvimar

The Salvimar Neck Weight Ballast is a neck weight made of high-quality lead, coated with a layer of soft rubber that ensures maximum comfort during use. Designed for freediving and underwater activities, it helps maintain a stable, balanced trim and is available in four weights: 1 kg, 1.5 kg, 1.8 kg, and 2.5 kg.

Comfort and adaptability

The neck weight flexes slightly, making it easy to adjust and allowing it to fit the neck perfectly. The soft rubber coating makes contact with the skin comfortable, even during longer sessions.

Even weight distribution

The hydrodynamic design, engineered to distribute weight evenly, promotes a stable, balanced posture and reduces muscle fatigue during underwater activity.

Strength and durability

The rubber coating protects the lead from wear and corrosion and ensures long-lasting performance even in saltwater environments.

Available weights

• 1 kg
• 1.5 kg
• 1.8 kg
• 2.5 kg

Technical specifications

• Type: neck weight (collar)
• Material: high-quality lead
• Coating: soft rubber, protects against wear and corrosion
• Design: hydrodynamic, distributes weight evenly
• Fit: slightly flexible, conforms to the neck
• Weights: 1 kg, 1.5 kg, 1.8 kg, and 2.5 kg.
• Use: freediving and underwater activities

D&D Collar - Deep & Dynamic for Freediving and Spearfishing

The D&D Collar, Deep & Dynamic, represents the evolution of the Dyno collar made by the C4 brand, designed specifically for freedivers practicing both depth and dynamic disciplines. Its key feature is weight modulation, allowing the ballast to be adjusted from 1 kg up to 4 kg in a single product, ensuring flexibility and precision when fine-tuning underwater trim.

Technical Features

• Made of lead coated with thermoplastic rubber, ensuring mechanical strength and protection against wear
• Highly hydrodynamic design to reduce drag in the water and promote a smooth swimming motion without overloading the neck
• Semi-mobile segments that follow the movements of the thoracic vertebrae, ensuring maximum freedom of movement without restrictions
• Weight distribution concentrated near the balance point of buoyancy forces, improving stability and balance during the dive
• Equipped with safety clips to prevent accidental loss of the segments

Functionality and Modularity

The system consists of a modular collar to which up to 5 semi-mobile rear segments with variable weights can be added, making it easy to move from a 1 kg setup up to 4 kg. The numbered plastic segments allow quick assembly and replacement, making it easier to adapt to different diving conditions.

Available Configurations

• 1.6 kg collar, suitable for depth freediving
• 3 kg collar with 4 rear segments
• 4 kg collar with 5 rear segments, ideal for dynamic freediving when more ballast is required

Additional Details

• Color: black
• Base weight: 1.6 kg
• Rear segments can be added or replaced by purchasing the 4-piece kit or individual 280 gram Dyno and 1 kg Dyno segments

The D&D collar is an ideal technical solution for freedivers and spearfishers who need a modular, comfortable ballast system to optimize trim in both static and dynamic dives, improving weight transfer and freedom of movement during finning.

D&D - Deep & Dynamic Neck Weight for Freediving and Spearfishing

The D&D neck weight is a modular ballast system developed by the C4 brand, designed specifically for the needs of freediving and spearfishing, both for deep dives and dynamic apnea. The name Deep & Dynamic reflects the product’s versatility, allowing the weight to be adjusted from 1 kg up to 4 kg to suit different types of dives.

Technical Features and Materials

The structure is made of lead coated with thermoplastic rubber, a combination that ensures high mechanical strength and durability while maintaining excellent hydrodynamics. The shape of the neck weight is designed to prevent overload on the neck, improving streamlining and comfort during finning.

The ballast segments are semi-mobile and positioned close to the balance center of buoyancy forces, allowing a more natural, less fatiguing trim for the swimmer. Their ability to follow the movement of the thoracic vertebrae ensures complete joint freedom and no restriction of movement in the water.

Weight Modularity and Customization

The system consists of a modular neck weight supplied with additional rear segments of variable weight, easily removable and mountable to adjust the total ballast. This modularity allows the neck weight to be quickly adapted to different dive requirements without compromising comfort or fit.

It is supplied with numbered plastic segments to make it easier to replace the front weights with lightweight segments, creating different weight configurations. The integrated safety clip prevents accidental loss of the segments during use.

Available Configurations

• 1,6 kg – base version ideal for deep dives
• 3 kg – configuration with 4 rear segments for greater weight in dynamic apnea
• 4 kg – complete neck weight with 5 rear segments for maximum modular ballast

Additional Details

• Base neck weight: 1,6 kg
• Color: white
• Material: lead coated with thermoplastic rubber
• Rear segments available individually or in 4-piece kits
• Can be integrated with 280 gram or 1 kg Dyno segments

D&D - Deep & Dynamic Weight Neck Weight for Freediving and Spearfishing

The D&D Neck Weight represents the technical evolution of the well-known Dyno neck weight produced by C4, designed specifically for deep and dynamic freediving. Its design allows the weight to be adjusted from 1 kg to 4 kg by adding or removing segments, providing the versatility needed for different types of dives.

Made of Lead Weight coated with a layer of thermoplastic rubber, the neck weight features a highly hydrodynamic shape that reduces load on the neck, allowing for a smoother, less tiring fin kick. Positioning the weight close to the hydrostatic balance point optimizes in-water trim, improving vertical stability and reducing mechanical resistance during movement.

The system consists of a modular neck weight with semi-mobile rear segments that follow the anatomy and movements of the thoracic spine, ensuring complete freedom of movement and minimizing any joint restriction during freediving sessions.

Technical Features

• Material: Lead Weight coated in thermoplastic rubber
• Hydrodynamic design for greater fluidity in the water
• Modular system with numbered plastic segments for fine-tuning the weight
• Semi-mobile rear segments to adapt to the movements of the thoracic vertebrae
• Safety clip to prevent accidental loss of the neck weight
• Adjustable weight from 1 kg (minimum configuration) up to 4 kg (maximum configuration)
• Base product dimensions and weight: 3.0 kg, white color

Available Configurations

• 1.6 kg neck weight – ideal for deep dives
• 3 kg neck weight – structure with 4 rear segments
• 4 kg neck weight – structure with 5 rear segments

The D&D - Deep & Dynamic Neck Weight is designed to meet the specific needs of spearfishing and freediving in both static and dynamic setups, optimizing the diver’s body balance and ensuring comfort and practicality even during extended dives.

D&D - Deep & Dynamic Neck Weight for Freediving and Spearfishing

The D&D neck weight represents the evolution of the Dyno neck weight from C4, specifically designed for deep freediving and dynamic apnea. The name Deep & Dynamic highlights its versatility: it allows the weight to be adjusted from 1 kg up to 4 kg in a single modular system optimized for spearfishing and deep freediving.

Technical Features

• Adjustable weight from 1 kg to 4 kg with removable, adjustable segments
• Material: lead coated in durable, hydrodynamic thermoplastic rubber
• Shape designed to minimize load on the neck and improve finning
• Semi-mobile rear segments follow the movement of the thoracic vertebrae, ensuring full joint freedom
• Equipped with a safety clip to prevent accidental loss during dives
• Color: black

Functionality and Benefits

The weight distribution is optimized to work close to the body’s center of gravity, balancing buoyancy forces and improving freediving efficiency. Thanks to the semi-mobile segments, the neck weight does not restrict the swimmer’s movements, maintaining fluidity and comfort during descent and ascent.

Available Configurations

• 1.6 kg: base configuration ideal for deep dives that require a light, balanced trim
• 3 kg: neck weight with four rear segments for medium buoyancy compensation in dynamic apnea
• 4 kg: neck weight with five rear segments for more demanding dynamic apnea sessions, with a higher ballast load

Included Equipment

• Numbered plastic segments to make assembly and weight adjustment easier
• Safety clip for fastening and prevention of accidental loss

The D&D neck weight provides a modular, functional system for quickly adjusting ballast balance in freediving, combining hydrodynamics, comfort, and freedom of movement, key aspects for spearfishing and freediving.

D&D Neck Weight - Deep & Dynamic for Freediving and Spearfishing

The D&D Neck Weight represents the evolution of the C4 Dyno neck weight, designed specifically for freediving in both depth and dynamic disciplines. The name Deep & Dynamic reflects the product’s technical versatility, allowing the weight to be adjusted from 1 kg up to 4 kg in a single system adaptable to different diving needs.

Technical Features

• Made from lead coated with a layer of thermoplastic rubber to ensure mechanical strength and long-lasting durability.
• Highly hydrodynamic shape designed to reduce drag and minimize load on the neck, improving the fluidity of the fin kick and freedom of movement while freediving.
• Semi-mobile segments that follow the anatomy of the thoracic vertebrae, allowing a more natural, unrestricted trim while swimming.
• Modular system consisting of a main neck weight to which segments can be added or removed at the rear to vary weight and trim.
• Equipped with numbered plastic segments to make assembly easier and allow precise load adjustment.
• Integrated safety clips to prevent accidental loss of the segments during the dive.

Weight Configurations

The D&D Neck Weight is available in three configurations designed for different types of diving:

• 1.6 kg - ideal for deep dives, providing efficient balance while reducing bulk.
• 3 kg - neck weight equipped with 4 rear segments for an intermediate trim adaptable to more agile dynamics.
• 4 kg - full configuration with 5 rear segments for dynamic dives that require greater ballast load.

Benefits for Freedivers and Spearfishers

Thanks to its adjustable weight and distinctive ergonomic shape, the D&D Neck Weight significantly improves trim control during freediving and spearfishing. The weight load is optimized close to the center of buoyancy, ensuring better balance and greater movement efficiency.

The system’s adaptability with semi-mobile segments and the lightweight coating material contribute to excellent comfort during extended use and complete joint freedom.

D&D Modular Weight Neck Collar - Deep & Dynamic for freediving and spearfishing

The D&D Neck Collar by C4 represents an important evolution of the traditional Dyno neck collar, designed specifically for those practicing deep freediving and dynamic apnea. Its main feature is its adjustable weight, which can range from 1 kg up to 4 kg depending on the needs of the dive, providing a single product adaptable to different buoyancy setups.

Technical features and materials

Made from lead coated with thermoplastic rubber, the neck collar features a hydrodynamic shape designed to optimize finning fluidity and reduce load on the neck, improving comfort and freedom of movement during freediving.

The weight is positioned close to the body’s center of gravity, aligning with buoyancy forces to make balancing in the water easier. In addition, the semi-mobile rear segments are designed to follow the natural movement of the thoracic vertebrae without limiting the swimmer’s mobility.

Modularity and configurations

The system consists of a modular base neck collar to which removable, numbered rear segments made of plastic attach, allowing the weight to be adjusted quickly and safely, also thanks to safety clips that prevent accidental loss.

The available configurations are:

• 1.6 kg Neck Collar - ideal for deep dives, with reduced weight for greater agility
• 3 kg Neck Collar - version with 4 rear segments for a balanced and versatile buoyancy setup
• 4 kg Neck Collar - with 5 rear segments for dynamic apnea and increased ballast

Benefits during underwater use

• Precise weight adjustment to easily adapt to the type of freedive
• Reduced cervical stress thanks to the ergonomic shape and soft coating
• Maximum freedom of movement ensured by the semi-mobile segments that move with the spine
• Simple and secure assembly with numbered segments and anti-loss clips

The D&D Neck Collar is a targeted technical solution for freedivers and spearfishers who need a customizable weight system that improves efficiency, comfort, and buoyancy control in the water.

C4 Dyno Neck Weight 4.0 kg for Freediving

The Dyno Neck Weight 4.0 kg is a modular weight system designed specifically for spearfishing and freediving by C4. Its highly hydrodynamic design minimizes bulk and distributes weight ergonomically, helping avoid overloading the neck while swimming underwater.

Technical Features

• Hydrodynamic shape engineered to optimize force transmission and reduce water resistance.
• Semi-mobile segments that follow the natural movement of the thoracic vertebrae, ensuring full joint freedom and comfort during dives.
• Modular segments with variable weight, secured with screw pins for quick and easy assembly.
• Option to customize the load by adding 280 g Dyno segments, sold separately.
• Resistant and durable materials to ensure stability and reliability in saltwater.
• Available color: white.

Benefits for Freedivers and Spearfishers

Positioning the weight close to the body’s center of gravity helps effectively balance buoyancy forces, improving stability in the water and the fluidity of the fin kick. Thanks to improved weight distribution and modular adjustability, the Dyno Neck Weight helps maintain a natural posture, reducing fatigue and restrictions in neck and back movement.

Assembly and Customization

1. Remove or add segments according to the desired weight.
2. Secure each segment using the screw pin, ensuring a firm and stable hold.
3. To increase weight, add the supplementary 280 g Dyno segments available separately.
4. Adjust the neck weight so it fits comfortably around the neck without compression.

Dyno Neck Weight 4.0 kg for Freediving – Modular Weight System

The Dyno Neck Weight in 4.0 kg, designed by C4, is a weight system specifically developed for spearfishing and freediving. Its hydrodynamic shape reduces bulk and does not overload the neck during finning, improving efficiency and fluidity of underwater movement.

Design and Comfort

The neck weight is made up of semi-mobile segments that adapt to the movement of the thoracic vertebrae, ensuring full joint freedom with no restriction of movement. This feature increases comfort during the dive while keeping the weight concentrated close to the balance point of buoyancy forces, optimizing trim in the water.

Modularity and Weight Customization

The segments, with varying weights, are easy to assemble and disassemble thanks to axles with locking screws. This allows the load to be precisely customized according to the specific needs of the freediver or spearfisher.

• Additional 280-gram Dyno segments available separately to increase weight
• Easy assembly and adjustment according to the dive profile

Technical Features

• Type: modular neck weight system for freediving
• Standard total weight: 4.0 kg
• Shape: optimized for hydrodynamics and neck comfort
• Materials: mechanically strong and durable
• Color: black

Benefits for Freedivers and Spearfishers

The Dyno Neck Weight improves thrust transmission during freediving thanks to the well-distributed weight near the body’s center of gravity. Its modular structure contributes to a customized trim, enabling smoother and less tiring underwater movement, with optimized neck comfort and minimized inertia.

Freediving Neck Weight - Lobster

The Lobster Neck Weight is a modular ballast system designed specifically for freediving, available in three weight configurations: 2.5 kg, 4.0 kg, and 6.0 kg. Its highly hydrodynamic shape is designed to avoid overloading the neck while swimming and to position the weight near the body’s buoyancy balance point underwater, maximizing efficiency and comfort.

Modular System and Available Configurations

Each version consists of a fixed base and a set of removable additional segments, allowing you to customize the total weight according to your needs, the wetsuit used, and the discipline practiced.

• Lobster 2.5 kg: 1.5 kg base + 4 segments (400 g, 300 g, 200 g, 100 g)
• Lobster 4.0 kg: 2.5 kg base + 5 segments (500 g, 400 g, 300 g, 200 g, 100 g)
• Lobster 6.0 kg: 4.0 kg base + 6 segments (2 × 500 g, 400 g, 300 g, 200 g, 100 g)

Semi-Movable Segments for Maximum Freedom of Movement

The semi-movable segments of the Lobster Neck Weight follow the natural movement of the thoracic vertebrae, dynamically adapting to the freediver’s movements without limiting range of motion. This design ensures proper underwater posture, efficient breathing, and full freedom during finning, both in dynamic and depth freediving.

Easy and Fast Assembly

The segments feature an interlocking design, secured with rubber inserts that make assembly and disassembly quick and easy. Segments can be added or removed at any time to adapt the total weight to the conditions of each outing or training session.

• Interlocking system with rubber inserts
• Tool-free assembly and disassembly
• Segments available for separate purchase to expand the configuration

Benefits for the Freediver

• Hydrodynamic profile that reduces forward drag underwater
• Optimal weight distribution close to the balance point of buoyancy forces
• Reduced mechanical stress on the neck thanks to the ergonomic shape
• Movable segments that do not restrict movement of the thoracic spine
• More efficient finning and a natural posture during descent and ascent
• Precise weight customization for dynamic, static, and depth freediving

Freediving Neck Weight - Lobster

The Lobster Neck Weight is a modular ballast system designed specifically for freediving, available in three weight configurations: 2.5 kg, 4.0 kg, and 6.0 kg. Its highly hydrodynamic shape is designed to avoid overloading the neck while swimming and to position the weight near the body’s buoyancy balance point underwater, maximizing efficiency and comfort.

Modular System and Available Configurations

Each version consists of a fixed base and a set of removable additional segments, allowing you to customize the total weight according to your needs, the wetsuit used, and the discipline practiced.

• Lobster 2.5 kg: 1.5 kg base + 4 segments (400 g, 300 g, 200 g, 100 g)
• Lobster 4.0 kg: 2.5 kg base + 5 segments (500 g, 400 g, 300 g, 200 g, 100 g)
• Lobster 6.0 kg: 4.0 kg base + 6 segments (2 × 500 g, 400 g, 300 g, 200 g, 100 g)

Semi-Movable Segments for Maximum Freedom of Movement

The semi-movable segments of the Lobster Neck Weight follow the natural movement of the thoracic vertebrae, dynamically adapting to the freediver’s movements without limiting range of motion. This design ensures proper underwater posture, efficient breathing, and full freedom during finning, both in dynamic and depth freediving.

Easy and Fast Assembly

The segments feature an interlocking design, secured with rubber inserts that make assembly and disassembly quick and easy. Segments can be added or removed at any time to adapt the total weight to the conditions of each outing or training session.

• Interlocking system with rubber inserts
• Tool-free assembly and disassembly
• Segments available for separate purchase to expand the configuration

Benefits for the Freediver

• Hydrodynamic profile that reduces forward drag underwater
• Optimal weight distribution close to the balance point of buoyancy forces
• Reduced mechanical stress on the neck thanks to the ergonomic shape
• Movable segments that do not restrict movement of the thoracic spine
• More efficient finning and a natural posture during descent and ascent
• Precise weight customization for dynamic, static, and depth freediving

4.0 kg Lobster Neck Weight for Freediving and Spearfishing

The Lobster Neck Weight at 4.0 kg is a modular weight system designed specifically for freediving and spearfishing. It consists of a 2.5 kg main neck weight and five additional segments of varying weight, designed to provide optimal trim close to the diver’s buoyancy balance point.

Technical and Functional Features

• Hydrodynamic design: the shape of the neck weight has been engineered to minimize water resistance, promoting a smooth swim with no overload on the neck.
• Semi-mobile segments: the five additional segments, secured with rubber inserts, adapt to the movement of the thoracic vertebrae, ensuring maximum freedom of movement and no restriction during the dive.
• Modularity: the segments are easy to remove and assemble, allowing you to customize the neck weight load according to individual needs.
• Segment weights: 500 g, 400 g, 300 g, 200 g, 100 g for precise adjustment of the total weight.
• Fastening materials: rubber inserts that ensure a stable hold while remaining easy to install and remove in the water.
• Color: Dark Blue, ideal for use in the underwater environment.

Benefits for Freediving and Spearfishing

Positioning the weight close to the balance point makes body trim easier during freediving descents, reducing neck fatigue and improving finning efficiency. The semi-soft, modular structure allows for a customized fit, meeting the specific needs of every freediver and spearfisher.

4.0 kg Lobster Neck Weight for Freediving

The Lobster Neck Weight is a ballast system specifically designed for freediving, consisting of a 2.5 kg base neck weight and 5 additional segments with variable weights (500 g, 400 g, 300 g, 200 g, and 100 g) that allow optimal ballast customization.

Hydrodynamic Design and Comfort

The shape of the neck weight is highly hydrodynamic, designed to distribute the weight close to the balance point of buoyancy forces, reducing load on the neck and improving freediving swimming efficiency. The semi-mobile segments, secured with rubber inserts, adapt to the movement of the thoracic vertebrae without limiting joint freedom, ensuring maximum comfort and smooth movement.

Modularity and Practicality

• The segments are easy to assemble and remove, allowing the weight to be adjusted according to the freediver’s different needs.
• The modular configuration allows precise ballast tuning while maintaining ergonomic and stable distribution during spearfishing.
• The insertion system with rubber parts ensures a secure hold without excessive rigidity.

Technical Specifications

• Maximum total weight: 4.0 kg
• Base neck weight: 2.5 kg
• Additional segments: 500 g, 400 g, 300 g, 200 g, 100 g
• Color: Green

Lobster 4.0 kg Neck Weight for Freediving

The Lobster Neck Weight with 4.0 kg is an advanced weight system specifically designed for spearfishing and freediving. It consists of a 2.5 kg main neck weight and 5 additional segments with variable weights, designed to precisely fine-tune the load according to the diver’s needs.

Design and Hydrodynamics

The neck weight has a highly hydrodynamic shape, engineered to minimize drag in the water and avoid overloading the neck. The weight distribution is close to the balance point of buoyancy forces, significantly improving stability and efficiency during freediving swimming.

Modularity and Freedom of Movement

The additional segments, weighing 500 g, 400 g, 300 g, 200 g, and 100 g, are semi-mobile and lock into place via rubber inserts, allowing quick and easy assembly and disassembly. This solution makes it possible to adapt the total load to different conditions without limiting mobility, as the segments follow the movement of the thoracic vertebrae.

Technical Features

• Main neck weight: 2.5 kg
• Additional segments: 500 g, 400 g, 300 g, 200 g, 100 g
• Materials with technical details optimized for mechanical strength and comfort
• Attachment via rubber inserts for ease of use and stability
• Color: Ocean Blue LE

This system is ideal for spearfishers who need a modular weight positioned strategically to improve trim and fluidity of movement during the dive.

Freediving Neck Weight - Lobster

The Lobster Neck Weight is a modular ballast system designed specifically for freediving, available in three weight configurations: 2.5 kg, 4.0 kg, and 6.0 kg. Its highly hydrodynamic shape is designed not to overload the neck while swimming and to position the weight close to the balance point of the body’s buoyancy forces during the dive, maximizing efficiency and comfort.

Modular System and Available Configurations

Each version consists of a fixed base and a series of removable additional segments, allowing you to customize the total weight according to your needs, the wetsuit used, and the discipline practiced.

• Lobster 2.5 kg: 1.5 kg base + 4 segments (400 g, 300 g, 200 g, 100 g)
• Lobster 4.0 kg: 2.5 kg base + 5 segments (500 g, 400 g, 300 g, 200 g, 100 g)
• Lobster 6.0 kg: 4.0 kg base + 6 segments (2 × 500 g, 400 g, 300 g, 200 g, 100 g)

Semi-Mobile Segments for Maximum Freedom of Movement

The semi-mobile segments of the Lobster Neck Weight follow the natural movement of the thoracic vertebrae, dynamically adapting to the freediver’s movements without limiting range of motion. This design ensures a proper diving posture, efficient breathing, and full freedom when finning, both in dynamic freediving and depth disciplines.

Fast and Easy Assembly

The segments use an interlocking system, secured with rubber inserts that make assembly and disassembly quick and easy. Segments can be added or removed at any time to adapt the total weight to the conditions of each outing or training session.

• Interlocking system with rubber inserts
• Tool-free assembly and disassembly
• Segments available separately to expand the configuration

Benefits for the Freediver

• Hydrodynamic profile that reduces drag during the dive
• Optimal weight distribution close to the balance point of buoyancy forces
• Reduced mechanical stress on the neck thanks to the ergonomic shape
• Mobile segments that do not restrict movement of the thoracic spine
• More efficient finning and natural posture during descent and ascent
• Precise load customization for dynamic, static, and depth freediving

Lobster 4.0 kg Neck Weight for Freediving

The Lobster Neck Weight weighing 4.0 kg is a modular weight system specifically designed for spearfishing and freediving. Consisting of a 2.5 kg main neck weight and five additional segments with variable weights, it ensures optimal load distribution.

Hydrodynamic Design and Comfort

The neck weight’s shape has been engineered to deliver high hydrodynamic efficiency, minimizing drag in the water without overloading the diver’s neck. Thanks to the semi-mobile segments that precisely follow the movement of the dorsal vertebrae, the neck weight ensures maximum freedom of movement with no restriction during finning.

Modularity and Weight Adjustment

The additional segments, weighing 500 g, 400 g, 300 g, 200 g, and 100 g, are easy to remove and assemble using interlocking rubber inserts. This solution makes it easy to customize the load to suit different buoyancy and trim requirements.

• Main neck weight: 2.5 kg
• Additional segments: 500 g, 400 g, 300 g, 200 g, 100 g
• Interlocking system with rubber inserts for easy assembly and disassembly

Technical Advantages

The position of the weight close to the buoyancy balance point allows for effective stabilization of underwater trim, minimizing fatigue and improving movement fluidity while diving. The close-fitting shape and overall lightness help maintain a high level of comfort throughout the entire freediving session.

Color: Very Pery.

4.0 kg Lobster Neck Weight for Freediving

The Lobster Neck Weight at 4.0 kg is a modular ballast system designed specifically for freediving and spearfishing. It consists of a 2.5 kg base neck weight and 5 additional segments with varying weights (500 g, 400 g, 300 g, 200 g, and 100 g), allowing precise adjustment based on the diver’s needs.

Technical Features

• Highly hydrodynamic shape to reduce drag while swimming
• Weight concentrated close to the center of balance of buoyancy forces for optimal trim
• Semi-mobile segments mounted on rubber inserts that follow the movement of the thoracic vertebrae, ensuring maximum freedom and fluidity in neck movement
• Quick and easy assembly and removal of snap-in segments to customize the load in the water
• Color: high-visibility yellow

Benefits in Use

The specific design of the Lobster Neck Weight minimizes stress on the diver’s neck, improving comfort even during extended dives. The modular weight distribution promotes more precise trim control and a more efficient swim, helping reduce oxygen consumption. Thanks to the segments that adapt to back movement, there are no restrictions on thoracic mobility during propulsion phases.

Collar for LG Sub Reels on Pneumatic Spearguns

This collar is designed for mounting LG Sub reels and brackets on specific pneumatic spearguns, such as the Mares Cyrano HF and the Salvimar Dark Side. Made from durable materials, it ensures a solid installation and excellent long-term durability.

Available in two versions to fit spearguns with 40mm and 41mm diameter barrels, it provides ideal compatibility with the main configurations of these pneumatic speargun lines.

Technical features

• Compatibility: Cyrano HF and Dark Side pneumatic spearguns
• Durable material for stable reel mounting
• Available for 40mm and 41mm barrels
• Designed to ensure precise reel positioning and ease of use for spearfishing

The collar optimizes reel attachment, providing a secure grip without compromising the ergonomics of the pneumatic speargun. It is ideal for those who need a specific, technical solution for organizing underwater gear during spearfishing sessions.

Lobster Squid Weight 1.3 kg Freediving Weight Collar

Squid Weight is a modular weight collar designed specifically for spearfishing and deep-water freediving. Made up of an 800 g base and 10 additional 50 g segments, it allows you to easily adjust the total weight up to 1.3 kg to suit different underwater buoyancy requirements.

Its hydrodynamic shape significantly reduces drag in the water, preventing neck overload and improving finning fluidity and freediving swimming efficiency. The weight is distributed close to the balance point between buoyancy and gravity forces, optimizing body stability and trim during the dive.

The semi-mobile segments are mounted directly on the collar base and adapt to the movements of the spine, ensuring maximum freedom of movement and ergonomic comfort. This modular system makes it easy to add or remove weights to customize the load according to dive depth and duration.

Main Technical Features

• 800 g base collar with 10 weight segments of 50 g each
• Total weight adjustable up to 1.3 kg
• Hydrodynamic design to minimize drag in the water
• Semi-mobile segments that follow the movements of the dorsal spine
• Easy assembly and disassembly for weight customization
• Secure fastening with silicone strap
• Matte black color, resistant to marine elements

Package Contents

• 800 g Lobster Squid Weight collar
• 10 additional 50 g segments
• Silicone safety strap
• Carry Bag

The Squid Weight collar is a versatile, technical tool for freediving and spearfishing, offering the perfect balance between comfort, freedom of movement, and precise weight adjustment in deep underwater environments.

Squid Weight Weight Collar for Deep Water Freediving

Squid Weight by Lobster is a modular weight system with a total weight of 1.3 kg, designed specifically for freediving and deep-water spearfishing. The collar consists of an 800 g base and 10 additional 50 g segments, providing precise adjustment adaptable to different underwater trim requirements.

Technical Features

• Hydrodynamic shape designed to minimize drag while swimming and to avoid placing strain on the spearfisher’s neck.
• The semi-mobile segments follow the movement of the dorsal vertebrae, ensuring maximum freedom of movement and comfort during the dive.
• The weight is positioned close to the balance point of buoyancy forces, optimizing trim and finning efficiency.
• Simple, quick assembly of the segments onto the collar base, allowing immediate weight customization according to the specific needs of the session.
• Composed of 1 x 800 g base and 10 additional 50 g segments.
• Supplied with a silicone safety strap for stable and secure fastening during the dive.
• Includes a carry bag for practical, organized equipment management.
• Color: Matte Red.

Benefits for Freediving Use

The design of the Squid Weight collar significantly improves underwater posture thanks to the optimal positioning of the weight. The modular weight distribution makes it possible to quickly adjust trim without compromising freedom of movement and without overloading the neck—essential factors during extended freediving sessions or deep-water dives.

The combination of comfort, hydrodynamics, and practicality makes this system ideal for freedivers who require precise balance and an ergonomic weight that can follow the body’s natural movements during spearfishing or freediving.

Pair of Collars for HUNT Feather and Sfera Reels

This pair of collars is specifically designed for mounting HUNT Feather and Sfera reels on pneumatic spearguns for spearfishing and freediving. They are compatible with any speargun equipped with a Feather reel base, available separately.

Technical Features

• Available in two diameters to suit different applications:
  • 40 mm for standard pneumatic spearguns
  • 41 mm for models such as Cyrano Evo HF, Dark Side, and similar
• Designed to ensure stable and precise reel attachment to the base
• Selected materials ensure mechanical strength and long-lasting durability

Use

The collars allow simple, secure mounting of HUNT reels on pneumatic spearguns, improving line management during spearfishing. Choosing the correct diameter ensures optimal fit and proper reel tension, essential for smooth underwater action.

Tribal Collars for Oleo

Pair of collars specifically designed for mounting HUNT Tribal reels on the barrel of pneumatic spearguns for spearfishing. These collars ensure stable, precise installation, providing a secure connection between the reel and the speargun.

Compatible with the Tribal Adapter Rail (sold separately), they fit all pneumatic spearguns available on the market, offering versatility and easy installation.

Knife Freediving 9 Mac Coltellerie for Spearfishing

The Freediving 9 knife by Mac Coltellerie is a compact, lightweight technical tool designed specifically for freedive spearfishing and underwater use. Thanks to its small size and easy handling, it is ideal for freeing stuck gear and quick underwater tasks.

Technical blade features

The blade, 7 cm long, is made of stainless steel to ensure good corrosion resistance in marine environments. It features a sharp straight edge for precise cuts and a serrated edge useful for cutting tougher fibers or hard materials. A functional hole in the center helps free shafts or other objects jammed between rocks during freedive spearfishing.

Design and ergonomics

The knife has an overall length of 18 cm and comes with a rigid plastic sheath, featuring a hydrodynamic profile that minimizes drag in the water. The click-lock fastening system ensures secure positioning and quick access to the knife.

Attachment and use

• Compatible with belt or arm mounting, thanks to the two elastic straps supplied.
• The compact, lightweight design improves freedom of movement during freediving.
• The automatic locking system helps maintain efficiency during the most demanding spearfishing sessions.

Main specifications

• Blade material: stainless steel
• Blade size: 7 cm
• Total knife length: 18 cm
• Sheath color: black

Freediving Knife 9 BE Mac Coltellerie

The Apnea 9 BE knife by Mac Coltellerie is a compact, easy-to-handle tool, specifically designed for spearfishing and freediving. Its sharp black PTFE-coated stainless steel blade provides corrosion resistance and long-lasting durability, even in saltwater environments.

Technical features

• Blade: 7 cm, with one plain edge and one serrated edge for different cutting tasks
• Central hole for freeing shafts jammed in rocks, making underwater operation easier
• Blade material: black PTFE-coated stainless steel, designed to reduce friction and improve protection against wear
• Overall length: 18 cm

Sheath and attachment

The knife comes with a hydrodynamic rigid plastic sheath, optimized to minimize drag in the water and ensure quick extraction. The click-lock attachment system provides stability while moving underwater.

For greater versatility, the knife can be secured to either the belt or the arm, thanks to two included elastic straps that allow ergonomic and secure positioning during underwater activity.

Salvimar Ares Knife for Freediving and Spearfishing

The Salvimar Ares knife is designed with a single sharpened blade inspired by Japanese fillet knives, ensuring precision and ease of use during underwater operations.

The blade is made from a special rust-resistant and corrosion-resistant steel, ideal for the marine environment, providing mechanical strength and durability even after long dives.

The ergonomic handle ensures comfortable control and a stable grip during in-water maneuvers, while the serrated side of the blade is specifically designed to make scaling your catch and other preparation tasks easier.

Technical features

• Blade length: 12 cm
• Total knife length: 22 cm
• Sheath and handle color: black

Salvimar Ares Knife for Spearfishing

The Salvimar Ares knife is designed with a single-edge blade inspired by Japanese fillet knives, ensuring precise, controlled cuts during spearfishing.

The 12 cm blade is made from special corrosion-resistant steel, ensuring durability and resistance to the saltwater typical of the marine underwater environment.

The ergonomic handle improves grip and handling, supporting safe, comfortable use even in wet conditions or with gloves.

One side of the blade features specific serration to make tasks such as scaling the catch easier, increasing the tool’s versatility during underwater activities.

• Blade length: 12 cm
• Overall length: 22 cm
• Sheath and handle color: Military Green

Argo Titanium Knife - Mares

The Mares Argo Titanium Knife is the ideal choice for spearfishers looking for a compact, reliable tool with outstanding cutting performance. The 3 mm titanium blade, with a length of 72 mm, ensures light weight, corrosion resistance, and long-lasting durability, even in the most demanding conditions.

High-performance titanium blade

The titanium blade features micro serrations along the edge, designed to deliver exceptional cutting power in any underwater situation. Titanium, a premium material for the marine environment, offers a superior strength-to-weight ratio and natural rust resistance, ensuring a long service life for the knife even with intensive use in saltwater.

Compact design and ergonomic handle

The knife’s compact profile is complemented by an ergonomic handle that provides a secure, controlled grip even when wearing wetsuit gloves. The quick-release system allows the blade to be drawn quickly and precisely, essential in emergency situations or during spearfishing sessions.

Versatile, adjustable mounting

The Argo Titanium is designed to adapt to every freediver’s preferences thanks to an extremely versatile mounting system:

• Mounting on the arm, calf, or belt
• Two adjustable elastic straps with hook-and-loop closure for a secure, customized fit
• Suitable for both right- and left-handed freedivers

Technical specifications

• Blade material: titanium
• Blade thickness: 3 mm
• Blade length: 72 mm
• Edge: micro-serrated
• Release: quick-release system
• Mounting: arm, calf, or belt
• Straps: 2 adjustable elastic straps with hook-and-loop closure

Knife Salvimar Atlantis 100 - Black Blade

The Salvimar Atlantis 100 - Black Blade knife is a tool specifically designed for freediving and spearfishing, made entirely of stainless steel to ensure corrosion resistance and long-lasting durability in marine environments.

The stiletto blade offers a technical profile with a smooth edge for precise cuts and a serrated Shark Tooth edge, specifically designed to make cutting tougher or fibrous materials easier.

The handle is functional and features a hole for freeing stuck shafts and a shaft-wrecking notch, improving ease of use during spearfishing operations.

Technical specifications

• Blade length: 89 mm
• Total length: 193 mm
• Blade and body material: stainless steel
• Stiletto Blade with dual finish: smooth edge and serrated Shark Tooth edge
• Handle with hole for freeing stuck shafts and shaft-wrecking notch

Knife Salvimar Atlantis 100 - Black Blade

The Salvimar Atlantis 100 - Black Blade knife is a tool specifically designed for freediving and spearfishing, made entirely from stainless steel to ensure corrosion resistance and durability in the marine environment.

The stiletto blade features a functional design with a smooth edge for precise cuts and a serrated Shark Tooth side, useful for more demanding tasks and cutting tougher materials.

• Integrated hole to make it easier to free shafts during use
• Shaft-release notch on the handle for easier and safer removal of shaft tips

Technical specifications:

• Blade length: 89 mm
• Total knife length: 193 mm