{"product_id":"castelli-fast-feet-3-socks","title":"Castelli Fast Feet 3 Socks","description":"\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2695\/8836\/files\/Castelli-Ci.jpg?v=1750154242\"\u003e\u003c\/p\u003e\n\u003cp\u003eT\u003cspan\u003ehere are lots of so-called aero socks out there. But the Castelli Fast Feet sock has the development and testing to back up the claim. The few socks that have been tested have probably been tested with a static, nonmoving test because it's easier. But a foot is always in motion, so we created a jig that replicates the movement of the lower leg. And we test on actual riders to verify the results. \u003cstrong\u003eThis sock can save 2 watts at 50 km\/h. The newest version has an updated cuff fit for more comfort and aerodynamic gains\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\n\u003cbr\u003eFEATURES\u003c\/h4\u003e\n\u003cp\u003eC\u003cspan\u003eastelli's Fast Feet project — for riding in warm conditions\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe foot portion is based on the Castelli Rosso Corsa Sock for in-shoe comfort\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePolyurethane grip strip at top to keep sock in place\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLeg portion constructed with engineered grooved Lycra® to help detach airflow\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003e\u003cbr\u003eSIZE GUIDE\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp data-start=\"523\" data-end=\"564\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"7\" data-is-only-node=\"\"\u003eS\/M\u003c\/strong\u003e: EU 35–39\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"567\" data-end=\"608\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"8\" data-is-only-node=\"\"\u003eL\/XL\u003c\/strong\u003e: EU 40–43\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"611\" data-end=\"690\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"7\" data-is-only-node=\"\"\u003eXXL\u003c\/strong\u003e: EU 44–47\u003c\/span\u003e\u003c\/p\u003e","brand":"Castelli","offers":[{"title":"Black \/ S\/M EU 35-39","offer_id":44696770248902,"sku":null,"price":169.0,"currency_code":"AED","in_stock":true},{"title":"Black \/ L\/XL EU 40-43","offer_id":44696770281670,"sku":"8056006339714","price":169.0,"currency_code":"AED","in_stock":false},{"title":"Black \/ XXL EU 44–47","offer_id":44696770314438,"sku":"8056006357169","price":169.0,"currency_code":"AED","in_stock":false},{"title":"Electric Lime \/ S\/M EU 35-39","offer_id":44696773034182,"sku":null,"price":169.0,"currency_code":"AED","in_stock":true},{"title":"Electric Lime \/ L\/XL EU 40-43","offer_id":44696773066950,"sku":"8056006357183","price":169.0,"currency_code":"AED","in_stock":false},{"title":"Electric Lime \/ XXL EU 44–47","offer_id":44696773099718,"sku":null,"price":169.0,"currency_code":"AED","in_stock":true},{"title":"Belgian Blue \/ S\/M EU 35-39","offer_id":44696773132486,"sku":null,"price":169.0,"currency_code":"AED","in_stock":true},{"title":"Belgian Blue \/ L\/XL EU 40-43","offer_id":44696773165254,"sku":"8056006357213","price":169.0,"currency_code":"AED","in_stock":false},{"title":"Belgian Blue \/ XXL EU 44–47","offer_id":44696773198022,"sku":null,"price":169.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2695\/8836\/files\/CST-FF3-BLCK.jpg?v=1750327255","url":"https:\/\/cyclesouq.com\/products\/castelli-fast-feet-3-socks","provider":"CycleSouq.com","version":"1.0","type":"link"}