Castelli Fast Feet 2 Sock Socks - Black

For road riding or when wearing Fast Feet overshoes isn't an option, this sock saves you watts.

• Castelli's Fast Feet project, for pedaling even in hot conditions.
• The part of the foot is inspired by the Castelli Rosso Corsa sock for maximum comfort inside the shoe
• Polyurethane strip in the back to keep the sock in perfect position
• The leg part is made of Lycra® with grooves designed to facilitate the outflow of air