The Castelli Fast Feet aero socks are lightweight and highly breathable. Whatever the aero gains actually are, you may as well be reaping them.
Feeling fast is halfway to going fast - and these socks certainly look the part
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FAST FEET SOCKCastelli's Fast Feet project: aerodynamic foot coverings for every condition. The TT shoecover is designed for maximum aerodynamics in
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Rule 28 claims these new socks could save you over 12 watts
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