{"product_id":"castelli-fast-feet-4-sock","title":"Castelli Fast Feet 4 Sock","description":"\u003cp\u003e\u003cspan\u003eThere are lots of so-called aero socks out there. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBut the Castelli Fast Feet 4 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 tested it on actual riders to verify the results. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\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\/span\u003e\u003c\/p\u003e","brand":"Castelli","offers":[{"title":"S-M \/ White","offer_id":45140164640838,"sku":null,"price":79.95,"currency_code":"AUD","in_stock":false},{"title":"S-M \/ Black","offer_id":46544239231046,"sku":null,"price":79.95,"currency_code":"AUD","in_stock":false},{"title":"L-XL \/ White","offer_id":45140164739142,"sku":null,"price":79.95,"currency_code":"AUD","in_stock":true},{"title":"L-XL \/ Black","offer_id":46544239263814,"sku":null,"price":79.95,"currency_code":"AUD","in_stock":false},{"title":"2XL \/ White","offer_id":45140164837446,"sku":null,"price":79.95,"currency_code":"AUD","in_stock":true},{"title":"2XL \/ Black","offer_id":46544239296582,"sku":null,"price":79.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0071\/5607\/2495\/files\/CastelliFastrFeet4Sock-White.jpg?v=1780551092","url":"https:\/\/cyclecloset.com\/th\/products\/castelli-fast-feet-4-sock","provider":"Cycle Closet","version":"1.0","type":"link"}