Imersion Foot Pockets for Freediving and Spearfishing

The Imersion Foot Pockets are known for their softness and exceptional comfort, so much so that they are nicknamed "slippers." They are ideal for those who use fins for many hours a day, ensuring a relaxed, comfortable fit during freediving dives and spearfishing sessions.

Technical Features

• Ultra-soft side rails: designed to prevent any stiffening of the blade in the affected areas, unlike other models that can compromise fin flexibility.
• Compatibility: can be fitted to any carbon or composite blade available on the market, ensuring adaptability and versatility.
• Installation: no assembly kit required; assembly is done exclusively by gluing, simplifying the process and ensuring a secure hold.
• Available Sizes: 38/40, 40/42, 42/44, 44/46, for a precise and comfortable fit.

Benefits for Freedivers and Spearfishers

The special softness of the rails ensures optimal flexibility of the blades, improving power transfer without interfering with finning dynamics. The foot pockets are designed to provide maximum comfort in the water and a fit that reduces fatigue during extended dives.

Salvimar K-Reinforced Foot Pockets for Freediving and Spearfishing

The Salvimar K-Reinforced foot pockets are specifically designed for freediving and spearfishing, combining technical innovation and selected materials to ensure high durability and comfort in the water. The special construction integrates multiple layers of thermorubber and textile fiber, ensuring a comfortable fit and excellent resistance to deformation even under the intense stress typical of underwater activity.

This advanced design helps maintain the foot pocket’s elasticity and shape, allowing effective compression and greater sensitivity during finning, while also protecting the foot on rocky or uneven bottoms.

Available in the remaining sizes 38/40 and 41/42, the K-Reinforced foot pockets are an ideal technical choice for safe and comfortable freediving and spearfishing.

Note: Mounting kit included

Cetma S-Wing Foot Pockets for Freediving and Spearfishing

The S-Wing foot pockets are designed to optimize power transfer between the foot and the blade, ensuring full, stable support.

Compared to conventional foot pockets, the portion of the blade covered under the foot is increased by approximately 60%, significantly improving thrust transmission during finning.

Technical Features

• Longitudinal stiffening bands: distributed along the full length of the foot, similar to a ski boot, they minimize rubber deformation and maximize power-transfer efficiency.
• Lateral vertical stabilizers: by preventing side slipping, they improve stability and channel the water for better hydrodynamics during finning.
• Innovative material: a blend of highly elastic natural rubber combined with durable thermoplastic rubber, ensuring comfort, durability, and anatomical fit.

Comfort and Fit

The S-Wing wrap around the foot following its anatomical profile for an ergonomic, comfortable fit, essential for long freediving dives and spearfishing activities.

Sizes and Accessories

• Available in sizes: 39/40, 41/42, 43/44, 45/46
• Mounting kit included for easy, secure installation

C4 SPORTECH Foot Pockets for Freediving and Spearfishing

The C4 SPORTECH foot pockets are designed specifically for the needs of freedivers and spearfishers, ensuring extended use with particular attention to ergonomics and comfort. Made from silicone, they offer a soft, progressive fit, minimizing pressure points during long in-water sessions.

Design and Technical Specifications

• Open heel: allows greater freedom of movement and makes the foot pocket easier to put on and remove.
• Right/left differentiated anatomical design: derived from the PROTech model, it ensures stable, natural foot positioning, improving trim and power transfer during finning.

Comfort and Compatibility

The SPORTECH foot pockets stand out for their high level of comfort and versatility, making them ideal for frequent, non-competitive use in freediving and spearfishing. They are compatible exclusively with C4 SPORTECH blades, ensuring an optimal pairing and efficient power transfer in the water.

Sigalsub Tsunami Foot Pockets

The Sigalsub Tsunami foot pockets are designed to provide comfort, stability, and efficient power transfer during finning in freediving and spearfishing.

They are made from thermorubber with differentiated thicknesses, a solution that combines softness in the areas dedicated to fit with greater stiffness in the points involved in power transmission.

The reinforced areas on the instep and sole improve energy transfer to the blade, helping make the kick more precise and controlled.

The short side rails allow the blade to work more freely and progressively, increasing sensitivity and fluidity during movement.

The blade-to-foot-pocket connection uses a single Allen screw for quick and secure assembly. The threaded nut integrated into a plastic plate ensures long-lasting fastening stability and durability.

The Sigalsub Tsunami foot pockets are available in the following sizes:

• 36/37
• 38/39
• 40/41
• 42/43
• 44/45
• 46/47

Mimetic Back Weight with Fringes C4 by Marco Bardi

The C4 mimetic back weight with fringes, designed by Marco Bardi, is an adjustable Weight system ideal for spearfishing and freediving. Its load capacity ranges from 2 to 6 kg, allowing precise weight adjustment based on individual needs.

Made with elastic and adjustable materials, it ensures a comfortable and secure fit, promoting freedom of movement during dives. The mimetic design with fringes helps reduce visibility in the water, improving camouflage.

Main technical features

• Adjustable Weight from 2 to 6 kg
• Elastic material for excellent body adaptability
• Simple, practical adjustment for proper trim
• Mimetic design with fringes for improved underwater camouflage
• Comfortable donning and secure fastening during freediving sessions

Ergonomic Salvimar Drop Back Weight

The Salvimar Drop Back Weight is designed to provide optimal support during freediving and spearfishing, especially in shallow water and in conditions requiring heavy wetsuits typical of the winter season.

Made with neoprene shoulder straps, it offers excellent ergonomics and comfort, ensuring a precise fit that reduces back fatigue during extended dives.

Main Features

• Ergonomic back support for even distribution of wetsuit pressure
• Neoprene shoulder straps for superior comfort and body adaptability
• Essential for use with heavy wetsuits in cold water or for shallow-water dives
• Available in 3 sizes: S-M, L-XL and XXL, for a perfect fit

H. Dessault 6 kg HD Back Weight for Spearfishing

The 6 kg HD Back Weight by H. Dessault is designed specifically for spearfishing, providing stable and comfortable support during dives. Its structure features a semi-rigid insert that prevents deformation even under full load, ensuring better distribution of ballast weight and ergonomic contact with the back.

Technical Features and Materials

• Rigid internal support to maintain shape and support the ballast weight without deformation
• 4 neoprene weight pockets with cut-resistant lining, designed to provide mechanical durability and secure closure via Velcro tab
• Draining airnet padding in contact with the back to improve thermal comfort and breathability during freediving
• Adjustable elastic shoulder straps made from marine-grade elastic webbing, designed to adapt to different body types while providing a precise and flexible fit
• Additional rear Band for attachment to the weight belt or crotch strap, increasing the stability of the back weight during dives

Functional Advantages

The combination of a semi-rigid insert with technical materials such as cut-resistant neoprene and airnet ensures lightness, durability, and comfort even during extended dives. The weight pockets allow for a distributed and stable load, while the elastic shoulder straps ensure freedom of movement without sacrificing a customized fit. The rear elastic band helps maintain ideal trim in the water, which is essential for effective spearfishing.

Hunt Back Weight 3 kg Best Divers for Spearfishing

The Hunt back weight by Best Divers is a weight specifically designed for spearfishing and recreational freediving, made with a 3 kg lead plate.

Its design provides even weight distribution across the entire back, ensuring effective trim during the dive and reducing the discomfort typical of weights concentrated in a single point.

Technical Features

• 3 kg black painted lead plate
• Adjustable rubber straps, 50 mm wide, for a precise fit
• Nylon buckles for a secure, durable closure

Benefits for Freediving and Spearfishing

The strap adjustment allows you to customize the weight placement, increasing thermal comfort and freedom of movement during freediving sessions. The lead construction provides the proper weight performance needed to offset wetsuit buoyancy and help achieve correct trim in the water.

Thanks to its smooth, painted plate, the product delivers excellent mechanical resistance and long-lasting durability over time, in both saltwater and freshwater, without compromising its effectiveness.

Anatomical Modular Back Weight for Spearfishing

The anatomical modular back weight is a neoprene accessory designed for optimal weight management during spearfishing sessions. Thanks to its modular construction, it allows balanced weight distribution, improving stability and comfort in the water.

Technical Features

• Equipped with four dedicated pockets for inserting standard ballast, compatible with 0.5 kg or 1 kg weights.
• Total load capacity up to 4 kg of lead weights, ideal for adjusting ballast according to your body weight and the type of spearfishing practiced.
• Made of neoprene, a material that ensures comfort and mechanical resistance during the dive.
• Quick-release system that improves safety, allowing fast and easy removal in any situation.
• Complete with elastic cord for securely attaching the back weight to the belt, preventing unwanted movement during the hunt.
• Anatomical design that fits perfectly to the back, optimizing load distribution and reducing fatigue and ballast shifting.
• Available in Camu Illusion color to improve underwater camouflage.

Benefits for Spearfishing

The modular back weight allows effective ballast management, essential for maintaining proper trim and ensuring smooth movement underwater. The quick-release system is an essential safety feature, making it easier to immediately ditch the ballast if needed.

The elastic retaining cord ensures the back weight stays stable, preventing shifting that could compromise finning efficiency and overall performance during spearfishing.

Ergonomic Salvimar Krypsis Back Weight

The Salvimar Krypsis Back Weight is a technical accessory designed to ensure comfort and support during freediving and spearfishing, especially in shallow water or with the heavy wetsuits typically used in winter conditions.

Made with neoprene shoulder straps, it provides an ergonomic fit and excellent pressure distribution across the back, improving stability and freedom of movement during the dive phase.

The Back Weight helps reduce back fatigue, making prolonged use of spearfishing and freediving equipment easier in cold-water environments or with stiffer wetsuits.

Main features:

• Padded neoprene shoulder straps for enhanced comfort
• Ergonomic design to adapt to the shape of the back
• Available in two sizes: M-L and XL-XXL
• Essential for shallow-water spearfishing and for use with heavy wetsuits

Light Back Weight in Neoprene with 4 Lead Weight Pockets

The Omer Neoprene Back Weight is designed to ensure proper ballast distribution during freediving and spearfishing. Equipped with four internal pockets, each can hold up to 2 kg, allowing the use of both traditional belt lead weights and weight plates.

The Neoprene construction provides a good balance of stretch and comfort, promoting a better fit and freedom of movement during descent and ascent. The Back Weight helps reduce the load on the back, preventing overload and improving comfort in the water.

Technical features

• Material: high-stretch Neoprene for proper body adaptability
• Load capacity: four internal pockets with a capacity of up to 2 kg each
• Compatibility: accepts traditional belt lead weights and dedicated plates
• Optimal ballast distribution for improved underwater posture
• Makes weight management easier by reducing back fatigue during freediving

Omer Neoprene Back Weight with Four Lead Weight Pockets

The Neoprene back weight made by Omer is designed specifically for ballast distribution in spearfishing and freediving, preventing localized overload on the back. The structure features four internal pockets, each capable of holding up to 2 kg of weight, compatible with both plates and traditional belt lead weights.

The Neoprene material provides a good balance of elasticity and thermal comfort during dives. The outer covering features a Camu 3D color finish, designed for a camouflage effect suitable for diving in natural environments.

Main features

• Four internal lead weight pockets, each with a capacity of up to 2 kg
• Compatible with dedicated plates and classic belt lead weights
• Neoprene construction for elasticity and thermal comfort
• 3D camouflage finish for underwater concealment
• Available in four sizes for an optimal fit: S-M, M-L, L-XL, XL-XXL

Benefits for underwater use

The back weight allows effective ballast distribution, improving trim and stability during the dive. By reducing the load concentrated on the back, it promotes a more natural posture and greater freedom of movement for the spearfisher. The use of integrated weight systems also facilitates spearfishing and freediving, optimizing balance and efficiency in the water.

C4 Modular Back Weight by Marco Bardi

The C4 Modular Back Weight, developed in collaboration with Marco Bardi, is a weight system specifically designed for freediving and spearfishing. Engineered to ensure efficient weight distribution, it offers a modular capacity from 2 to 12 kg, allowing you to adapt your ballast setup to individual needs during dives.

The weight can be positioned over a large surface area of the Back Weight, ensuring optimal balance and improving comfort in the water. Ease of use is ensured by quick drying and the ability to adjust the configuration even during spearfishing sessions, making real-time customization easier.

The lightweight, durable material is designed to ensure long-lasting performance and practicality without compromising freedom of movement or finning efficiency.

Main features:

• Modular weight capacity from 2 to 12 kg
• Weight distribution over a large surface area for improved balance
• Easy adjustment even during underwater activity
• Quick-drying material
• Ergonomic design for comfort and practicality
• Color: Black
• Weight not included, to be purchased separately

Anatomical Modular Back Weight for Freediving and Spearfishing

The anatomical modular back weight is designed to optimize ballast management during spearfishing and freediving sessions, providing even weight distribution across the body to improve comfort and balance in the water.

Technical Features

• Made from neoprene to ensure stretch and comfort
• Equipped with four modular pockets, each suitable for standard 0.5 kg or 1 kg weights, for a maximum total ballast of 4 kg
• Quick-release system allowing rapid removal of the back weight, increasing safety in the water
• Elastic cord for securing the back weight to the belt, keeping it stable during finning and underwater movements
• Anatomical weight distribution to improve trim and stability in the water
• Black color, ideal for maintaining an unobtrusive underwater profile

Benefits for the Freediver and Spearfisher

This back weight ensures precise ballast balance, essential for efficient finning and thermal comfort during the dive. The flexible neoprene provides a comfortable fit and adapts to body shape, while the quick-release system makes immediate removal easier when needed, increasing safety. The elastic cord prevents unwanted ballast movement, keeping the device in position throughout the entire spearfishing session.

Best Hunter Spider Back Weight for Spearfishing

The Spider Back Weight is designed specifically for shallow-water spearfishing, ensuring comfort and functionality during the dive. Made from 3.5 mm thick material, it offers a good balance between elasticity and mechanical resistance, providing a snug, stable fit during underwater movement.

Technical Features

• Ballast capacity: allows you to carry up to 6 kg of lead weights
• Lead weight pockets: equipped with 6 dedicated pockets for even weight distribution, improving trim and stability in the water
• Fastening system: chest clip and belt clip for secure, adjustable positioning of the back weight
• Material: 3.5 mm thickness, optimized for the balance between elasticity and durability
• Available sizes: M, L, XL to fit different body types

Benefits for Freediving and Spearfishing

The back weight ensures balanced weight distribution along the back, promoting fluid movement and reducing fatigue during long periods underwater. The clip system ensures a precise, customizable fit, increasing safety and practicality during spearfishing.

The 3.5 mm material provides good elasticity while maintaining adequate mechanical resistance, essential for absorbing stress and making movement easier in shallow-water environments without limiting freedom of movement.

Tortuga Back Weight with Integrated Rubber Weight System by Saplast

The Tortuga Back Weight is made entirely of rubber with the exclusive Saplast patent, ensuring a seamless structure that provides an ergonomic and comfortable fit during spearfishing and freediving.

The ballast consists of 4 weights of 750 grams each, strategically positioned at the four corners of the back weight to ensure balanced distribution and stabilize trim in the water.

At the center of the back weight there is a dedicated hole for inserting an additional 1 kg weight, supplied with a threaded plastic ballast weight (Eleny 1Kg model), allowing the freediver to further customize the ballast load according to their needs.

Technical Features

• Standard total weight: 3 kg (4 weights of 750 g)
• Back weight material: rubber with Saplast patent, seamless to increase ergonomics and durability
• Harness made of elastic EPDM 45 SH rubber, black/camouflage color, to ensure stretch and comfort during movement and dive phases
• Central hole for adding an optional 1 kg weight with screw system for greater practicality
• Color: camouflage, ideal for spearfishing to improve underwater concealment

Benefits

• Balanced distribution of the ballast load to support underwater trim and stability
• Corrosion-resistant materials, durable in marine environments
• Elastic harness that provides excellent freedom of movement and reduces the risk of discomfort during finning
• Option to customize the weight by adding the central ballast weight to adapt to different types of freediving sessions and buoyancy conditions

Ermes Line Guide for Wooden Spearguns

The Ermes Line Guide is an essential component for building handcrafted wooden spearfishing spearguns. This accessory allows the monofilament or line wraps to be neatly secured under the speargun muzzle, while also helping guide the line coming from the reel.

The Line Guide structure is designed to ensure smooth adjustment of the tilt angle using simple pliers, allowing precise adaptation to the technical assembly requirements of the speargun.

Main Technical Features

• Compatible with wooden spearguns
• Guides and secures monofilament or line
• Simple and precise angle adjustment
• Supplied with 2 self-tapping screws for secure mounting

This component ensures excellent practicality during speargun construction and maintenance, optimizing line management and improving the functionality of your spearfishing equipment.

HUNT Multifunction Line Guide for Spearfishing Spearguns

The HUNT Multifunction Line Guide is made from a 2.0 mm thick AISI 316 stainless steel plate, equipped with two countersunk holes for secure, precise mounting to the barrel of a wooden speargun. The structure includes a hook made from 2.5 mm diameter hardened Sandvik steel rod, bent and TIG-welded to the plate, ensuring high mechanical strength and long-lasting durability even in the marine environment.

Versatile Mounting and Use

This accessory can be installed in different positions on the speargun, allowing multiple usage configurations:

• Muzzle mounting: allows smooth passage of the reel line and serves as an attachment point for monofilament wraps, improving the functionality of the retrieval system.
• Positioning under the handle: allows the float line to be securely fastened, optimizing buoyancy and safety management during spearfishing.
• Installation under the barrel of roller spearguns: a pair of line guides provides a stable anchor point for the lower bands, contributing to efficient power transfer and balanced trim while freediving.

Technical Features

• Plate material: AISI 316 stainless steel, resistant to corrosion and wear in underwater environments
• Plate thickness: 2.0 mm to ensure rigidity and durability
• Hook rod: hardened Sandvik steel, 2.5 mm diameter, TIG-welded for maximum strength
• Functional design to facilitate fastening and attachment of lines and bands

Specific Applications

The Multifunction Line Guide is designed to optimize line attachment and management on spearfishing and freediving spearguns. Thanks to its versatility, it helps improve:

• Ease of use and quick installation of accessory components
• Safety and efficiency in managing underwater equipment
• Reduced friction and bulk during dives

Salvimar Line Slider in Lens-Filled Nylon

The Salvimar line slider is made from glass-filled nylon, a material that ensures high wear resistance and long-lasting durability, essential for spearfishing use. Its technical design provides greater stability during use and effectively protects the shooting line from potential damage caused by abrasion and wear.

The line slider’s design promotes proper seating of the shooting line or nylon within the profile, minimizing their exposure and reducing the risk of premature wear or breakage during dives.

It is available for shafts with diameters of 7.0 mm and 8.0 mm, allowing it to fit different speargun configurations used in freediving and spearfishing.

HUNT Line Slider for 6.75 - 7.0 mm Pneumatic Speargun Shafts

The HUNT Line Slider is a precision component designed for pneumatic speargun shafts with a 6.75 mm and 7.0 mm diameter. CNC-machined from solid heat-treated and burnished 17.4ph steel, it offers excellent strength and durability.

The overall length of 25.0 mm and the tapered shape with a decreasing profile toward the shaft tip improve hydrodynamics and help increase shaft speed, optimizing penetration during spearfishing.

Main technical features:

• Line slider outer diameter: 10.0 mm, compatible with spearguns that use standard 10.0 mm washers, replaceable in place of the washer itself
• Compatible with pneumatic spearguns equipped with a 12.0 mm washer, usable resting against the washer
• AISI 316 stainless steel anchoring tabs TIG-welded with double 2.0 mm holes, well radiused for line attachment
• Specifically designed to increase thrust transmission and improve shaft tracking in the water

Applications

Suitable for use with pneumatic spearguns with 6.75 mm and 7.0 mm shaft diameters, the HUNT Line Slider ensures high efficiency during shaft retrieval and release, a crucial factor for accuracy and smooth movement during spearfishing.

Sigal Sub Derlin Line Slider

The line slider Sigal Sub is a technical accessory specifically designed for spearfishing shafts, made entirely from high-quality Derlin. This material provides excellent mechanical strength and lightness, both essential for the efficiency of underwater equipment.

The optimized hydrodynamic structure allows the line or nylon monofilament to slide smoothly along the shaft, minimizing friction and reducing the risk of line damage during spearfishing.

Technical Features

• Made entirely from Derlin, a strong and lightweight material
• Hydrodynamic design for optimal sliding performance
• Compatible with shaft diameters:
• 6,25 - 6,50 mm
• 6,75 - 7,00 mm
• 7,50 - 8,00 mm

Thanks to the quality materials and carefully engineered shape, the Sigal Sub line slider improves line management during spearfishing, making adjustment easier and helping prevent premature wear of the nylon monofilament.

Race Slide Ring Mares

The Race Mares slide ring is a hydrodynamic, compact component designed specifically for spearfishing and freediving. It is available in versions for 7.0 mm and 8.0 mm diameter shafts, ensuring a perfect fit for the needs of any speargun.

Its optimized shape helps reduce water resistance during the shot, improving the smoothness and precision of force transfer to the shaft. This results in better tracking control and greater speargun efficiency.

Made from strong, lightweight materials, the Race slide ring ensures long service life and reliable use underwater, without compromising the handling and overall balance of the equipment.

Main features:

• Compatible with 7.0 mm and 8.0 mm shafts
• Hydrodynamic design to minimize drag in the water
• Compact and lightweight to improve speargun balance
• Durable materials for long service life in the marine environment

The YETI LoadOut bucket is designed to handle the most extreme conditions, delivering superior structural strength and maximum versatility for outdoor and professional use. Made from ultra-durable HDPE plastic, it features walls up to twice as thick as traditional buckets, ensuring exceptional durability against impacts, abrasion, and UV rays.

Designed for carrying gear, food, or accessories, it is equipped with a HeftyHauler Handle and LipGrip Handles for ergonomic handling even when fully loaded. The base with BearFoot non-slip ring ensures stability on any surface, while the AnchorPoint system allows secure tie-down during transport. With an 18.9-liter capacity, it is a reliable, rugged, and easy-to-clean solution for every type of use.

The YETI LoadOut Bucket is designed to handle the most extreme conditions, delivering superior structural strength and maximum versatility for outdoor and professional use. Made from ultra-durable HDPE plastic, it features walls up to twice as thick as traditional buckets, ensuring exceptional durability against impacts, abrasion, and UV rays.

Built for carrying gear, food, or accessories, it is equipped with a HeftyHauler handle and LipGrip handles for ergonomic handling even when fully loaded. The base with BearFoot non-slip ring ensures stability on any surface, while the AnchorPoint system allows secure tie-down during transport. With a 18.9-liter capacity, it is a reliable, rugged, and easy-to-clean solution for every type of use.

Lobster Collar Segments Specifically for Freediving

The segments for the Lobster collar are designed to meet the needs of spearfishing and freediving, ensuring proper balance during dives.

Technical Features

• Available in 5 different weights: 100 g, 200 g, 300 g, 400 g, and 500 g, for precise ballast customization
• Black color for a discreet profile underwater
• Modular assembly system with rubber inserts
• Semi-mobile movement between segments that follows the articulation of the vertebrae

Benefits for the Freediver

The fastening system allows the segments to be combined according to the required weight, enabling gradual and optimal adjustment for in-water trim.

The semi-mobility of the individual segments, ensured by the rubber inserts, promotes the natural flexibility of the spine without limiting freedom of movement during a dive. This feature helps maintain an ergonomic and comfortable trim during spearfishing or freediving.

Applications

• Adaptable to different ballast requirements for freediving and spearfishing
• Ideal for freedivers who need customized, dynamic balance
• Compatible with the Lobster collar, used to improve stability and trim while diving

Lobster Neck Weight Segments Specifically for Freediving

The Lobster neck weight segments are designed specifically for freediving, offering a modular system that adapts to the needs of spearfishers or freedivers. Their structure allows the weight to be adjusted as needed by combining individual segments.

Technical Features and Functionality

• Available in 5 different weights: 100, 200, 300, 400, and 500 grams for precise balancing
• Innovative fastening system with rubber inserts for quick installation and removal of the segments
• Semi-mobile segments that follow the joint movements of the cervical vertebrae to ensure freedom of movement of the spine during freediving
• Adaptability to the curves of the back thanks to the flexibility of the connection mechanism
• Color: Dark Blue for a discreet, functional look underwater

Benefits for Freediving and Spearfishing

Thanks to the ability to customize the additional load, the segments allow precise weight balancing, improving underwater trim without compromising freedom of movement in the neck and back. The semi-mobile design ensures that the neck weight adapts perfectly to the freediver’s physiology, helping reduce fatigue and stiffness during the dive.

Applications

Ideal for integration into the Lobster neck weight used in spearfishing, these segments provide a modular solution for optimizing load and mobility, key aspects for effective underwater activity that respects personal biomechanics.

Lobster Collar Segments – Modular Weight for Freediving

The Lobster collar segments are designed specifically for freedivers, offering a modular weight solution for use during freediving and spearfishing sessions. Thanks to the innovative fastening system, the segments can be combined and assembled to achieve the ideal total weight, adapting it to individual needs.

Technical Features

• Modularity: the segments can be connected to each other with rubber inserts that allow semi-mobile movement, ensuring the collar follows the natural curve of the vertebrae without limiting spinal mobility.
• Weight availability: 5 different sizes from 100 to 500 grams (100, 200, 300, 400, 500 g) to customize distribution and load according to the freediver’s needs.
• Material and color: designed to ensure durability and strength, the segments are available in green, making them easy to integrate with freediving-oriented gear.

Benefits for Freediving and Spearfishing

The semi-mobile structure of the collar provides optimal ergonomics, maintaining freedom of movement of the spine during descent and ascent phases. This helps minimize muscle fatigue and improve comfort, while still keeping the weight effectively positioned on the body. The ability to adjust the load makes this system ideal for precise buoyancy management in the water.

Lobster Neck Weight Segments Designed for Freediving

The segments for the Lobster neck weight are designed for freediving, with an innovative fastening system that allows the freediver to combine and assemble the segments according to their own weight and shape requirements.

The fastening mechanism uses rubber inserts that make the segments semi-mobile, allowing them to adapt to vertebral movement without limiting spinal mobility during freediving dives.

Technical Features

• Available in 5 different weights: 100 g, 200 g, 300 g, 400 g and 500 g, allowing modular, customized assembly.
• Variable size and weight to optimize trim in the water.
• Rubber inserts to ensure flexibility and adaptability to the natural curve of the back.
• Color: visible and identifiable red.

This modular system allows precise adjustment of the load on the neck weight, improving efficiency and comfort during breathing and underwater movement typical of spearfishing and freediving.

Lobster Collar Segments Specifically for Freediving

The Lobster collar segments are designed for freediving and allow a modular, customized weight configuration. Thanks to their innovative fastening system, the freediver can assemble the segments flexibly, adapting the collar to their spearfishing or freediving needs.

Technical Features and Functionality

• Available in 5 different weights: 100, 200, 300, 400, and 500 grams, for precise load management.
• Assembly system with rubber inserts that allows a semi-mobile connection between the segments.
• Design that follows the natural movement of the vertebrae, without limiting spinal flexibility during dives.
• Materials engineered to ensure mechanical strength and durability in the underwater environment.
• Yellow color, to improve visibility and identification in the marine environment.

Benefits for Freediving and Spearfishing

The modular segment system allows optimal, dynamic weight distribution, essential for:

1. Maintaining balanced trim during spearfishing.
2. Ensuring maximum freedom of movement for the spine.
3. Adapting to different ballast requirements based on dive conditions and individual experience.

Use Specifications

To customize the collar:

• Select the required segments according to the desired weight.
• Assemble the segments using the rubber inserts, avoiding excessive rigidity.
• Check that the collar ergonomically fits the shape of the spine to optimize comfort and freedom of movement.

1 kg Segment for C4 Neck Weights – Freediving Equipment

The 1 kg segment is designed for both C4 neck weights, Dyno and D&D, a technical device dedicated to freedivers. This segment allows the neck weight to be customized modularly, ensuring precise adjustment to the freediver’s needs.

Technical Features

• Weight: 1 kilogram
• Material: durable and suitable for underwater use
• Color: Gray
• Attachment system: screw with pin included for safe, easy installation
• Modularity: multiple segments can be combined and assembled to adjust the overall weight

Functionality and Benefits

The screw attachment system ensures that the segments are semi-mobile, allowing them to follow the natural movements of the spine without restricting freedom of movement. This feature improves comfort during the dive, maintaining balanced and stable trim in the water.

The system’s modularity allows the freediver to precisely customize weight distribution according to diving style and specific conditions, optimizing underwater efficiency and maneuverability.

1 KG Segment for C4 Dyno Freediving Neck Weight

The 1 kg segment is designed specifically for the C4 Dyno neck weight, an essential component for freedivers who need customization and comfort when balancing weight during freediving activities.

The screw fastening system allows multiple segments to be assembled and combined, adapting the overall weight to the individual needs of the freediver. This modularity enables precise, functional adjustment, ensuring optimal balance during the dive.

A distinctive feature of this segment is its semi-mobile behavior once secured. This flexibility allows the segments to move in sync with the spine, preventing restriction and preserving natural freedom of movement during finning and gun tracking.

Main Features

• Material: made to ensure mechanical strength and long-lasting durability
• Fastening system: screw and axle included for secure, stable assembly
• Color: white, with a version also available in black
• Compatibility: exclusively for the C4 Dyno neck weight designed for freediving
• Semi-mobile design to follow the movements of the spine without restriction

This segment is an ideal technical solution for freediving and spearfishing, where the ability to fine-tune weight and maintain optimal ergonomics is essential for safety and efficiency during the dive.