{"product_id":"c4-carbon-0-5mm-toe-socks","title":"C4 Carbon - 0.5 mm Toe Socks - Toe Protectors","description":"\u003ch2\u003eC4 Carbon - 0.5 mm Toe Socks\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eC4 Carbon 0.5 mm Toe Socks\u003c\/strong\u003e are ultra-thin neoprene toe protectors for freediving foot pockets. They are designed to improve the fit around the toes, reduce unwanted movement in the front of the foot pocket and keep power transfer direct during finning.\u003c\/p\u003e\n\u003cp\u003eThey are especially useful with close-fitting carbon bifins and monofins where barefoot contact can create small pressure points, but a full neoprene sock would add too much thickness.\u003c\/p\u003e\n\u003cp\u003eThis is not a warmth sock. It is a \u003cstrong\u003eprecision fit and comfort accessory\u003c\/strong\u003e for freedivers who want better toe hold, less rubbing and maximum sensitivity inside the fin.\u003c\/p\u003e\n\u003c!-- IMAGE PLACEHOLDER 1:\nInsert the main product image showing the C4 0.5 mm Toe Sock worn on the foot together with the standalone sock.\nRecommended file name: c4-carbon-0-5mm-toe-socks-on-foot-product-view.jpg\nRecommended alt text: \"C4 Carbon 0.5 mm Toe Socks for freediving foot pockets\"\n--\u003e\n\u003ch3\u003eWhy use toe socks?\u003c\/h3\u003e\n\u003cp\u003eIn a responsive freediving fin, the front of the foot pocket matters. If there is too much play around the toes, the foot can move inside the pocket before the blade reacts. That creates a softer, less direct feeling during the kick.\u003c\/p\u003e\n\u003cp\u003eA 0.5 mm toe sock adds a minimal layer exactly where many divers need it: around the toes and forefoot. It can improve hold, reduce small pressure points and protect the skin without making the whole foot pocket feel noticeably smaller.\u003c\/p\u003e\n\u003ch3\u003eMain benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-thin 0.5 mm neoprene\u003c\/strong\u003e for maximum sensitivity during finning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eToe-only design\u003c\/strong\u003e for minimal bulk inside the foot pocket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproves hold around the toes\u003c\/strong\u003e when the front of the pocket has slight play\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelps maintain direct power transfer\u003c\/strong\u003e between foot and blade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight protection\u003c\/strong\u003e against rubbing, hot spots and pressure points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth outside finish\u003c\/strong\u003e for easy entry into the foot pocket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLined inside\u003c\/strong\u003e for comfort against the skin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternally taped construction\u003c\/strong\u003e for better long-term bonding durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for bifins and monofins\u003c\/strong\u003e with close-fitting foot pockets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- IMAGE PLACEHOLDER 2:\nInsert the second product photo or a close crop showing the toe coverage, C4 branding and rear opening of the toe sock.\nRecommended file name: c4-carbon-0-5mm-toe-socks-toe-protector-detail.jpg\nRecommended alt text: \"C4 0.5 mm neoprene toe sock close-up for freediving fins\"\n--\u003e\n\u003ch3\u003eToe Socks or Open Heel Socks?\u003c\/h3\u003e\n\u003cp\u003eChoose the \u003cstrong\u003e0.5 mm Toe Socks\u003c\/strong\u003e if you mainly want better hold and light protection in the toe area while keeping the rest of the foot as direct as possible.\u003c\/p\u003e\n\u003cp\u003eChoose \u003cstrong\u003e0.5 mm Open Heel Socks\u003c\/strong\u003e if you want more general comfort across the foot pocket, especially if you also get rubbing around the instep, side of the foot or heel opening.\u003c\/p\u003e\n\u003cp\u003eIf your foot pockets are clearly too large, these toe socks are not enough. They are for fine adjustment and comfort, not for fixing the wrong fin size.\u003c\/p\u003e\n\u003ch3\u003eSize guide\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSize\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eEU shoe size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003ctd\u003e36–39\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM\u003c\/td\u003e\n\u003ctd\u003e40–43\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL\u003c\/td\u003e\n\u003ctd\u003e44–46\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eChoose your normal EU shoe-size range. The sock should sit snugly on the toes and forefoot so it stays in place when entering the foot pocket.\u003c\/p\u003e\n\u003ch3\u003eRecommended fin pairings\u003c\/h3\u003e\n\u003cp\u003eThese toe socks make the most sense with precise, responsive freediving foot pockets where fit and force transfer matter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca title=\"C4 Protech Freediving Fins\" href=\"\/collections\/bifins\/products\/c4-protech-freediving-fins\"\u003eC4 Protech Freediving Fins\u003c\/a\u003e: the most natural C4 pairing. Use the toe socks for warm-water comfort, reduced toe friction and a more direct feel in the C4 foot pocket.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Double K Delfit Carbon Bifin\" href=\"\/collections\/bifins\/products\/double-k-delfit-carbon-bifin\"\u003eDouble K Delfit Carbon Bifin\u003c\/a\u003e: useful when you want a very thin toe-area adjustment without adding the thickness of a full sock.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Cetma Taras Monofin\" href=\"\/collections\/monofins\/products\/cetma-taras-monofin\"\u003eCetma Taras Monofin\u003c\/a\u003e: a good option if you want minimal protection in a close-fitting monofin foot pocket while keeping a precise blade connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Cetma Taras Bi-Fins\" href=\"\/collections\/bifins\/products\/cetma-taras-bi-fins\"\u003eCetma Taras Bi-Fins\u003c\/a\u003e: suitable when you want to reduce toe pressure points while preserving the efficient, close-fitting Taras foot pocket feel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eC4 Carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProduct\u003c\/th\u003e\n\u003ctd\u003e0.5 mm Toe Socks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eFreediving toe socks \/ toe protectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePre-compressed neoprene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e0.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOutside finish\u003c\/th\u003e\n\u003ctd\u003eSmooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInside finish\u003c\/th\u003e\n\u003ctd\u003eLined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eInternally taped\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCoverage\u003c\/th\u003e\n\u003ctd\u003eToes and forefoot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRecommended use\u003c\/th\u003e\n\u003ctd\u003eFreediving bifins, monofins, responsive foot pockets, pool and open-water training\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAvailable sizes\u003c\/th\u003e\n\u003ctd\u003eS, M, L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eKaluna Freediving opinion\u003c\/h3\u003e\n\u003cp\u003eThis is the sock to choose when the fin fit is almost right, but the toe area needs a little more security or protection.\u003c\/p\u003e\n\u003cp\u003eThe strongest use case is not warmth. It is better hold in the front of the foot pocket, less toe movement and a cleaner connection to the blade. For tight foot pockets that press in small areas, the 0.5 mm layer also adds just enough protection without killing sensitivity.\u003c\/p\u003e\n\u003cp\u003eIf the whole foot pocket rubs, choose an open heel sock. If only the toe box needs refinement, the 0.5 mm Toe Sock is the sharper tool.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat are the C4 0.5 mm Toe Socks for?\u003c\/summary\u003e\n\u003cp\u003eThey are for fine-tuning fit and comfort in the toe area of freediving foot pockets. They help reduce toe movement, improve hold and protect against small pressure points while keeping a direct fin feel.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo they make my fins smaller?\u003c\/summary\u003e\n\u003cp\u003eOnly slightly in the toe area. At 0.5 mm, they are for fine adjustment, not for fixing foot pockets that are clearly too large.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre they warm?\u003c\/summary\u003e\n\u003cp\u003eNot significantly. They are too thin to be used as thermal socks. Their main purpose is fit, sensitivity and light protection.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use them with bifins?\u003c\/summary\u003e\n\u003cp\u003eYes. They are well suited to close-fitting freediving bifins, especially when you want better toe hold without wearing a full sock.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use them with a monofin?\u003c\/summary\u003e\n\u003cp\u003eYes, if the monofin foot pockets are already close-fitting. They can reduce rubbing in the toe area while preserving a precise connection to the blade.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eShould I choose Toe Socks or Open Heel Socks?\u003c\/summary\u003e\n\u003cp\u003eChoose Toe Socks if the problem is mainly toe play or pressure in the front of the foot pocket. Choose Open Heel Socks if you want more general protection across the foot.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich size should I choose?\u003c\/summary\u003e\n\u003cp\u003eChoose your normal EU shoe-size range: S for 36–39, M for 40–43 and L for 44–46.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"C4 Carbon","offers":[{"title":"S = 36–39","offer_id":57054910349690,"sku":"0NSOC4F05S","price":28.0,"currency_code":"CHF","in_stock":true},{"title":"M = 40–43","offer_id":57054910382458,"sku":"0NSOC4F05M","price":28.0,"currency_code":"CHF","in_stock":true},{"title":"L = 44–46","offer_id":57054910415226,"sku":"0NSOC4F05L","price":28.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/0157\/7306\/files\/c4-carbon-0-5mm-toe-socks-on-foot-product-view.webp?v=1783607862","url":"https:\/\/kaluna-freediving.ch\/products\/c4-carbon-0-5mm-toe-socks","provider":"Kaluna Freediving","version":"1.0","type":"link"}