Castelli - Fast Feet 2 Sock

Description

Castelli Fast Feet 2 Sock is not just another "aero" sock on the market. Castelli has invested in extensive development and testing to support its performance. Unlike other socks, castelli use a motion-replicating jig and test on real riders to confirm its efficiency. These results show a 2 watt power saving at 50 km/h.

Product features

• Castelli's Fast Feet project — for riding in warm conditions
• The foot portion is based on the Castelli Rosso Corsa Sock for in-shoe comfort
• Polyurethane grip strip at top to keep sock in place
• Leg portion constructed with engineered grooved Lycra® to help detach airflow

Technical Features

• Weight:49 g
• Temperature:10°C - 30°C / 50°F - 86°F
• Fit:Race