{"product_id":"calze-castelli-fast-feet-4-bianco","title":"Castelli Fast Feet 4 socks - White","description":"\u003cp\u003eThe Castelli Fast Feet 4 socks are a model capable of replicating the movement of the lower leg. They have been tested on cyclists to verify the results. With these socks, it is possible to save 2 watts at 50 km\/h. The new version features an updated cuff fit for greater comfort and aerodynamic advantage.\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFast Feet Castelli design: for maximum aerodynamics.\u003c\/li\u003e\n\u003cli\u003eThe foot part is inspired by the Castelli Rosso Corsa Sock for maximum comfort inside the shoe.\u003c\/li\u003e\n\u003cli\u003ePolyurethane anti-slip strip on the top to keep the sock in place.\u003c\/li\u003e\n\u003cli\u003eThe leg part is made of Lycra® with engineered grooves to promote air circulation.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eColor: White.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castelli","offers":[{"title":"35-39 \/ White","offer_id":53135046476122,"sku":"4526030-001-S\/M","price":40.0,"currency_code":"EUR","in_stock":true},{"title":"40-43 \/ White","offer_id":53135046508890,"sku":"4526030-001-L\/XL","price":40.0,"currency_code":"EUR","in_stock":true},{"title":"44-47 \/ White","offer_id":53135046541658,"sku":"4526030-001-XXL","price":40.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/7139\/6534\/files\/Calze-Castelli-Fast-Feet-4-Bianco-All4cycling-1.jpg?v=1766085185","url":"https:\/\/www.all4cycling.com\/en\/products\/calze-castelli-fast-feet-4-bianco","provider":"All4cycling ","version":"1.0","type":"link"}