{"product_id":"pinne-in-carbonio-c4-protech","title":"Protech Fins","description":"\u003ch2\u003ePROtech Fins for Freediving\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePROtech fins\u003c\/strong\u003e are designed for technical freediving, developed through a dedicated study of \u003cstrong\u003ehydrodynamic flows\u003c\/strong\u003e and equipped with \u003cstrong\u003e3D geometries\u003c\/strong\u003e optimized to adapt to the body’s natural movement, ensuring \u003cstrong\u003eefficiency\u003c\/strong\u003e and \u003cstrong\u003efluidity\u003c\/strong\u003e throughout the fin stroke.\u003c\/p\u003e\n\u003ch3\u003eDesign and Comfort\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eright\/left anatomical foot pocket\u003c\/strong\u003e ensures a precise fit for the foot, eliminating pressure points and energy loss. The one-piece structure integrating blade and foot pocket provides immediate, direct \u003cstrong\u003ethrust transmission\u003c\/strong\u003e, improving movement responsiveness in the water.\u003c\/p\u003e\n\u003ch3\u003eTechnical Features and Materials\u003c\/h3\u003e\n\u003cp\u003eThe blades are made from \u003cstrong\u003e100% multilayer laminated carbon\u003c\/strong\u003e, engineered for progressive energy release without vibration, ensuring a \u003cstrong\u003esmooth, continuous, and highly technical fin stroke\u003c\/strong\u003e. The \u003cstrong\u003eanti-turbulence convex profiles\u003c\/strong\u003e of the water rails improve hydrodynamic stability, while the side stabilizers provide \u003cstrong\u003econtrolled buoyancy\u003c\/strong\u003e, optimizing trim and stability during the dive.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete fin dimensions (EU size 42\/43): 890 x 190 mm\u003c\/li\u003e\n\u003cli\u003eBlade material: T700 multilayer carbon\u003c\/li\u003e\n\u003cli\u003eBlade Stiffness: Medium\/Soft\u003c\/li\u003e\n\u003cli\u003eWater rails color: Black\u003c\/li\u003e\n\u003cli\u003eWater rails type: Anti-turbulence convex profile\u003c\/li\u003e\n\u003cli\u003eAvailable EU Sizes: 36\/37 – 38\/39 – 40\/41 – 42\/43 – 44\/45\u003c\/li\u003e\n\u003cli\u003eAvailable US\/Canada Sizes: 4.5\/5 – 6\/6.5 – 7.5\/8 – 9\/10 – 11\/12\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"C4","offers":[{"title":"Medium\/Soft \/ 36\/37","offer_id":57006872494425,"sku":"0PC4PRT35","price":600.0,"currency_code":"EUR","in_stock":true},{"title":"Medium\/Soft \/ 38\/39","offer_id":57006872527193,"sku":"0PC4PRT37","price":600.0,"currency_code":"EUR","in_stock":true},{"title":"Medium\/Soft \/ 40\/41","offer_id":57006872559961,"sku":"0PC4PRT39","price":600.0,"currency_code":"EUR","in_stock":true},{"title":"Medium\/Soft \/ 42\/43","offer_id":57006872592729,"sku":"0PC4PRT41","price":600.0,"currency_code":"EUR","in_stock":true},{"title":"Medium\/Soft \/ 44\/45","offer_id":57006872625497,"sku":"0PC4PRT43","price":600.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6732\/1945\/files\/C4-26-Pinne-ProTech-F.png?v=1767738001","url":"https:\/\/deepbluesub.com\/en\/products\/c4-protech-carbon-fins","provider":"DEEP BLUE - Freediving \u0026 Spearfishing","version":"1.0","type":"link"}