{"product_id":"c4-sportech-fbg-fins","title":"C4 SPORTECH FBG Fins","description":"\u003cblockquote\u003e\n\u003cp\u003eSold in pairs\u003c\/p\u003e\n\u003cp\u003eprogressive response, ideal for energy saving and control\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cul class=\"accordion\"\u003e\n\u003cli class=\"accordion-item is-active\"\u003e\n\u003ch3 class=\"accordion-thumb\"\u003e\nDescription\u003c\/h3\u003e\n\u003cdiv class=\"accordion-panel\"\u003e\n\u003cp\u003eThe SPORTECH fins are specifically designed for freediving, offering the perfect balance between performance, comfort, and ease of use.\nIdeal for extended sessions, they suit a wide range of freedivers — from beginners to experts — and deliver excellent performance both in dynamic and deep diving.\u003c\/p\u003e\n\u003cp\u003eThey share many technical features with the PROTECH model, such as the open-heel foot pocket, the anatomical design differentiated for right and left foot, and a monoblock structure that eliminates any empty space, ensuring maximum power transmission with every kick.\nUnlike the PROTECH model, designed for extreme performance and intended exclusively for competitive use, the SPORTECH fins deliver high-level performance combined with comfort and accessibility, making them perfect even for intensive non-competitive training.\u003c\/p\u003e\n\u003cp\u003eAnother major innovation — introduced for the first time in the industry — is the ability to choose fins made with two different materials, both for the foot pockets (available in extra-soft silicone or medium-hard rubber) and for the blades (in fiberglass or carbon fiber), each offered in multiple stiffness levels.\nThis allows every freediver to customize their equipment, finding the ideal combination according to their technical needs and level of experience.\u003c\/p\u003e\n\u003cp\u003eA distinctive feature of the SPORTECH fins is the asymmetry of the foot pockets relative to the blade’s central axis: in addition to being differentiated for right and left foot, each pocket is slightly offset inward.\nThis unique configuration promotes a more natural and compact leg movement during kicking, enhancing hydrodynamics even with the same blade width.\nThe result is a smoother, more efficient, and harmonious swim, ideal for both dynamic and deep freediving.\u003c\/p\u003e\n\u003cp\u003eWhy Choose Them\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Precise fit and optimal power transfer\u003c\/li\u003e\n\u003cli\u003e✔ Smooth, efficient, and natural movement in the water\u003c\/li\u003e\n\u003cli\u003e✔ Suitable for recreational, training, or intensive use\u003c\/li\u003e\n\u003cli\u003e✔ Fully customizable according to skill level and preferences\u003c\/li\u003e\n\u003cli\u003e✔ First fins on the market offering a dual material choice for both foot pockets and blades\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIdeal For\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDynamic freediving\u003c\/li\u003e\n\u003cli\u003eConstant weight freediving\u003c\/li\u003e\n\u003cli\u003eLong and continuous training sessions\u003c\/li\u003e\n\u003cli\u003eFreedivers of all levels — beginner, intermediate, and advanced\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"accordion-item\"\u003e\n\u003ch3 class=\"accordion-thumb\"\u003e\nSize Guide\u003c\/h3\u003e\n\u003cdiv class=\"accordion-panel\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0430\/2969\/2572\/files\/TAGLIA-SCARPETTA.jpg?v=1777908662\" alt=\"measurement illustration\"\u003e\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e Size EU\u003c\/th\u003e\n\u003cth\u003e Size US\u003c\/th\u003e\n\u003cth\u003e MEASURE L (toe–heel)\u003c\/th\u003e\n\u003cth\u003e MEASURE W (foot width)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cdiv\u003e 35\/37\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cdiv\u003e 5 – 6.5 (W) \/ 4 – 5.5 (M)\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cdiv\u003e 217\/230 mm\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cdiv\u003e 80\/87 mm\u003c\/div\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cdiv\u003e 37\/39\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cdiv\u003e 6.5 – 8 (W) \/ 5.5 – 7 (M)\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cdiv\u003e 230\/250 mm\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cdiv\u003e 85\/95 mm\u003c\/div\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cdiv\u003e 39\/41\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cdiv\u003e 8 – 10 (W) \/ 7 – 8.5 (M)\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cdiv\u003e 245\/260 mm\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cdiv\u003e 94\/105 mm\u003c\/div\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cdiv\u003e 41\/43\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cdiv\u003e 10 – 11.5 (W) \/ 8.5 – 10 (M)\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cdiv\u003e 260\/275 mm\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cdiv\u003e 98\/108 mm\u003c\/div\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cdiv\u003e 43\/45\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cdiv\u003e 11.5 – 13 (W) \/ 10 – 11.5 (M)\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cdiv\u003e 275\/290 mm\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cdiv\u003e 108\/120 mm\u003c\/div\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"C4","offers":[{"title":"35\/37 \/ Soft \/ 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