chaussettes fast feet 4 Color:WHITE The Hardbody outer shell extends

The Hardbody outer shell extends inside the helmet and is molded from a tough polycarbonate that is permanently fused to the EPS foam liner using our In-Mold process to improve durability and ventilation without excess bulk

Temperature: 0°C | 12°C

Exclusive Advanced Ultra Fit™ seal

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chaussettes fast feet 4 Color:WHITE The Hardbody outer shell extendsFast Feet 4 Socks: Castelli Fast Feet socks are based on a design and testing process that meets aerodynamic requirements. Many so called "aerodynamic" socks are on the market, but Castelli Fast Feet 4 socks are based on a design and testing process that actually supports this claim. The few socks that have been tested have likely undergone static, rather than dynamic, testing, as the process is simpler. However, a foot is always in motion, which is