{"title":"Castelli Fast Feet 3 Socks","description":"","products":[{"product_id":"castelli-fast-feet-3-sock-white","title":"CASTELLI FAST FEET 3 SOCK WHITE","description":"\u003cp\u003eFor road racing or when you can't wear a Fast Feet TT Shoecover, this sock saves watts.\u003c\/p\u003e\r\n\u003cp\u003e \u003c\/p\u003e\r\n\u003cp\u003eThere 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. This sock can save 2 watts at 50 km\/h. The newest version has an updated cuff fit for more comfort and aerodynamic gains.\u003cbr\u003e \u003c\/p\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eCastelli's Fast Feet project — for riding in warm conditions\u003c\/li\u003e\r\n    \u003cli\u003eThe foot portion is based on the Castelli Rosso Corsa Sock for in-shoe comfort\u003c\/li\u003e\r\n    \u003cli\u003ePolyurethane grip strip at top to keep sock in place\u003c\/li\u003e\r\n    \u003cli\u003eLeg portion constructed with engineered grooved Lycra® to help detach airflow\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e \u003c\/p\u003e\r\n\u003cp\u003eWeight:48 g\u003cbr\u003eTemperature:10°C - 38°C \/ 50°F - 100°F\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e \u003c\/p\u003e\r\n\u003cp\u003e \u003c\/p\u003e","brand":"032_CASTELLI ACCESSORIES","offers":[{"title":"WHITE \/ L\/X","offer_id":44995940024519,"sku":"4525030-001-L\/X","price":79.0,"currency_code":"AUD","in_stock":false},{"title":"WHITE \/ S\/M","offer_id":44995940057287,"sku":"4525030-001-S\/M","price":79.0,"currency_code":"AUD","in_stock":true},{"title":"WHITE \/ XXL","offer_id":44995940090055,"sku":"4525030-001-XXL","price":79.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/6201\/5943\/files\/b4830b06228eb885ddf1af871f72522f329f424e_5ea7de9e-946a-4cec-bfd1-128e3e599eae.jpg?v=1780469220"},{"product_id":"castelli-fast-feet-3-sock-black","title":"CASTELLI FAST FEET 3 SOCK BLACK","description":"\u003cp\u003eFor road racing or when you can't wear a Fast Feet TT Shoecover, this sock saves watts.\u003c\/p\u003e\r\n\u003cp\u003e \u003c\/p\u003e\r\n\u003cp\u003eThere 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. This sock can save 2 watts at 50 km\/h. The newest version has an updated cuff fit for more comfort and aerodynamic gains.\u003cbr\u003e \u003c\/p\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eCastelli's Fast Feet project — for riding in warm conditions\u003c\/li\u003e\r\n    \u003cli\u003eThe foot portion is based on the Castelli Rosso Corsa Sock for in-shoe comfort\u003c\/li\u003e\r\n    \u003cli\u003ePolyurethane grip strip at top to keep sock in place\u003c\/li\u003e\r\n    \u003cli\u003eLeg portion constructed with engineered grooved Lycra® to help detach airflow\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e \u003c\/p\u003e\r\n\u003cp\u003eWeight:48 g\u003cbr\u003eTemperature:10°C - 38°C \/ 50°F - 100°F\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e \u003c\/p\u003e\r\n\u003cp\u003e \u003c\/p\u003e","brand":"032_CASTELLI ACCESSORIES","offers":[{"title":"BLACK \/ L\/X","offer_id":45629287760071,"sku":"4525030-010-L\/X","price":79.0,"currency_code":"AUD","in_stock":true},{"title":"BLACK \/ S\/M","offer_id":45629287792839,"sku":"4525030-010-S\/M","price":79.0,"currency_code":"AUD","in_stock":true},{"title":"BLACK \/ XXL","offer_id":45629287825607,"sku":"4525030-010-XXL","price":79.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/6201\/5943\/files\/77fdb2e6a0b0a19bea33156f9e79702a0c2c7995.jpg?v=1780470936"},{"product_id":"castelli-fast-feet-3-sock-electric-lime","title":"CASTELLI FAST FEET 3 SOCK ELECTRIC LIME","description":"\u003cp\u003eFor road racing or when you can't wear a Fast Feet TT Shoecover, this sock saves watts.\u003c\/p\u003e\r\n\u003cp\u003e \u003c\/p\u003e\r\n\u003cp\u003eThere 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. This sock can save 2 watts at 50 km\/h. The newest version has an updated cuff fit for more comfort and aerodynamic gains.\u003cbr\u003e \u003c\/p\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eCastelli's Fast Feet project — for riding in warm conditions\u003c\/li\u003e\r\n    \u003cli\u003eThe foot portion is based on the Castelli Rosso Corsa Sock for in-shoe comfort\u003c\/li\u003e\r\n    \u003cli\u003ePolyurethane grip strip at top to keep sock in place\u003c\/li\u003e\r\n    \u003cli\u003eLeg portion constructed with engineered grooved Lycra® to help detach airflow\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e \u003c\/p\u003e\r\n\u003cp\u003eWeight:48 g\u003cbr\u003eTemperature:10°C - 38°C \/ 50°F - 100°F\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e \u003c\/p\u003e\r\n\u003cp\u003e \u003c\/p\u003e","brand":"032_CASTELLI ACCESSORIES","offers":[{"title":"ELECTRIC LIME \/ L\/X","offer_id":45629287858375,"sku":"4525030-383-L\/X","price":79.0,"currency_code":"AUD","in_stock":true},{"title":"ELECTRIC LIME \/ S\/M","offer_id":45629287891143,"sku":"4525030-383-S\/M","price":79.0,"currency_code":"AUD","in_stock":true},{"title":"ELECTRIC LIME \/ XXL","offer_id":45629287923911,"sku":"4525030-383-XXL","price":79.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/6201\/5943\/files\/e8240f8e65acead36bd7d94eb2be2f861c40d80c_5614cd86-affc-46b6-ba0e-20daa7a097f3.jpg?v=1780470940"},{"product_id":"castelli-fast-feet-3-sock-belgian-blue","title":"CASTELLI FAST FEET 3 SOCK BELGIAN BLUE","description":"\u003cp\u003eFor road racing or when you can't wear a Fast Feet TT Shoecover, this sock saves watts.\u003c\/p\u003e\r\n\u003cp\u003e \u003c\/p\u003e\r\n\u003cp\u003eThere 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. This sock can save 2 watts at 50 km\/h. The newest version has an updated cuff fit for more comfort and aerodynamic gains.\u003cbr\u003e \u003c\/p\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eCastelli's Fast Feet project — for riding in warm conditions\u003c\/li\u003e\r\n    \u003cli\u003eThe foot portion is based on the Castelli Rosso Corsa Sock for in-shoe comfort\u003c\/li\u003e\r\n    \u003cli\u003ePolyurethane grip strip at top to keep sock in place\u003c\/li\u003e\r\n    \u003cli\u003eLeg portion constructed with engineered grooved Lycra® to help detach airflow\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e \u003c\/p\u003e\r\n\u003cp\u003eWeight:48 g\u003cbr\u003eTemperature:10°C - 38°C \/ 50°F - 100°F\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e \u003c\/p\u003e\r\n\u003cp\u003e \u003c\/p\u003e","brand":"032_CASTELLI ACCESSORIES","offers":[{"title":"BELGIAN BLUE \/ L\/X","offer_id":45629287956679,"sku":"4525030-424-L\/X","price":79.0,"currency_code":"AUD","in_stock":true},{"title":"BELGIAN BLUE \/ S\/M","offer_id":45629287989447,"sku":"4525030-424-S\/M","price":79.0,"currency_code":"AUD","in_stock":true},{"title":"BELGIAN BLUE \/ XXL","offer_id":45629288022215,"sku":"4525030-424-XXL","price":79.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/6201\/5943\/files\/ba26d5ff745148fd28cceefc377374c31d40d0b9_e388ac37-d1e8-4a27-a80e-e3da89cfe641.jpg?v=1780470944"}],"url":"https:\/\/echelonsports.com.au\/collections\/castelli-fast-feet-3-socks.oembed","provider":"Echelon Sports","version":"1.0","type":"link"}