{"product_id":"stco-future-keel-fins-futures","title":"STCo Fiberglass Keel Fins – Hand-Finished Twin-Fin Set, Futures Compatible","description":"\u003ch1\u003eSTCo Fiberglass Keel Fins – Hand-Finished Twin-Fin Set, Futures Compatible\u003c\/h1\u003e \u003ch2\u003eOverview\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003eClassic keel design. Modern performance. More speed and drive.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eThe \u003cstrong\u003eSTCo Fiberglass Keel Fins\u003c\/strong\u003e are designed for surfers who want speed, control, and smooth, flowing turns from their twin-fin setup. Inspired by the classic keel outline with modern refinements, these fins combine traditional twin-fin character with hand-finished fiberglass construction.\u003c\/p\u003e \u003cp\u003eFeaturing a stiff flex profile, the STCo Keel Fins are designed to provide a firm, controlled feel through turns while supporting drive and trim across the wave face. They're suited to both modern and retro-inspired twin-fin surfboards, making them a versatile choice for surfers who enjoy speed and sweeping lines.\u003c\/p\u003e \u003cp\u003eA popular option in the STCo lineup, these fins offer a classic-inspired design for surfers seeking a confident, responsive twin-fin experience.\u003c\/p\u003e \u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eClassic Keel-Inspired Shape:\u003c\/strong\u003e Combines traditional keel styling with modern refinements for twin-fin surfboards.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eHand-Finished Fiberglass Construction:\u003c\/strong\u003e Offers a carefully finished design with the characteristic feel of fiberglass fins.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eStiff Flex Profile:\u003c\/strong\u003e Provides a firm, controlled response for surfers who prefer less fin flex.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eSpeed and Drive:\u003c\/strong\u003e Designed to help generate speed and maintain momentum across the wave face.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eSmooth, Sweeping Turns:\u003c\/strong\u003e Suited to flowing turns and longer lines rather than a highly pivot-oriented fin style.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eControl and Trim:\u003c\/strong\u003e Designed to support stability and directional control while maintaining speed.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eFutures Fin-Box Compatibility:\u003c\/strong\u003e Intended for compatible Futures fin boxes.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eSuitable for All Skill Levels:\u003c\/strong\u003e An option for beginners through advanced surfers when matched to the correct board and fin setup.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eSpeed Across the Wave\u003c\/h3\u003e \u003cp\u003eThe keel-inspired design is intended to support speed and momentum, making these fins a natural choice for surfers who enjoy driving down the line.\u003c\/p\u003e \u003ch3\u003eFlowing Turns and Trim\u003c\/h3\u003e \u003cp\u003eThe classic outline is designed for smooth, sweeping turns and sustained trim, helping create the flowing feel associated with twin-fin surfing.\u003c\/p\u003e \u003ch3\u003eStiff, Controlled Response\u003c\/h3\u003e \u003cp\u003eThe stiff flex profile provides a firmer feel under load. The resulting performance will depend on fin dimensions, board design, rider technique, and wave conditions.\u003c\/p\u003e \u003ch3\u003eHand-Finished Fiberglass\u003c\/h3\u003e \u003cp\u003eFiberglass construction and hand finishing give these fins a classic surfboard accessory aesthetic with a carefully finished appearance.\u003c\/p\u003e \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003cth\u003eFeature\u003c\/th\u003e \u003cth\u003eDetails\u003c\/th\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProduct name\u003c\/td\u003e \u003ctd\u003eSTCo Fiberglass Keel Fins\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProduct type\u003c\/td\u003e \u003ctd\u003eSurfboard keel fins\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eIntended configuration\u003c\/td\u003e \u003ctd\u003eTwin-fin\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eConstruction\u003c\/td\u003e \u003ctd\u003eFiberglass\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFinish\u003c\/td\u003e \u003ctd\u003eHand-finished\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFlex profile\u003c\/td\u003e \u003ctd\u003eStiff\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePerformance focus\u003c\/td\u003e \u003ctd\u003eSpeed, control, drive, and trim\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCompatible fin boxes\u003c\/td\u003e \u003ctd\u003eFutures, as specified by supplier\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCompatible board styles\u003c\/td\u003e \u003ctd\u003eModern and retro-inspired twin-fin surfboards\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eRecommended skill level\u003c\/td\u003e \u003ctd\u003eAll levels\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFin dimensions\u003c\/td\u003e \u003ctd\u003eConfirm with supplier\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFin quantity\u003c\/td\u003e \u003ctd\u003eConfirm with supplier\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMounting hardware\u003c\/td\u003e \u003ctd\u003eConfirm with supplier\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch2\u003eCompatibility \u0026amp; Installation\u003c\/h2\u003e \u003cp\u003eThese fins are designed for compatible Futures fin boxes. Confirm the fin-base type and dimensions required by your surfboard before ordering, as fin systems are not universally interchangeable.\u003c\/p\u003e \u003cp\u003eInstall the fins using compatible mounting hardware and follow your surfboard manufacturer's instructions. Check that both fins are correctly secured before entering the water.\u003c\/p\u003e \u003ch2\u003eGet Your Twin-Fin Setup Dialed In\u003c\/h2\u003e \u003cp\u003eChoose the STCo Fiberglass Keel Fins for a classic-inspired twin-fin design focused on speed, drive, control, and smooth, flowing turns.\u003c\/p\u003e","brand":"Surfboard Trading Co.","offers":[{"title":"Dark Sea Glass","offer_id":67747604955349,"sku":"sku-46368251478231","price":79.0,"currency_code":"USD","in_stock":true},{"title":"Volan White","offer_id":67747604988117,"sku":"sku-46368251510999","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/3057\/2501\/files\/STCo._Single_Tab_Twin_Fin_-_Volan_White_Sea_Glass.jpg?v=1791858298","url":"https:\/\/alohaswimwellness.com\/products\/stco-future-keel-fins-futures","provider":"Aloha Swim Wellness","version":"1.0","type":"link"}