Fast Feet Sock

Castelli's fast feet aero cycling socks are constructed with “engineered grooved Lycra to help detach airflow,” with the intention of improving aerodynamics for faster riding.

The lower portion of the sock is based on Castelli's time-proven Rosso Corsa, with the aim to provide comfortable coverage and good ventilation. Around the ankle, the make-up changes to that distinctive grooved Lycra, which has a feel similar to a jersey or set of bib shorts.

REASONS TO BUY

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• Potential for aero gains

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  Looks the part

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  Very well ventilated

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  Silicon gripper keep them in place