The Fast Feet 2 cycling sock from Castelli is specially designed for the demanding cyclist who values ​​performance and comfort.

Castelli proudly introduces the Fast Feet 2 cycling sock. This sock is the result of the innovative Fast Feet project, aimed at improving aerodynamics and reducing resistance while riding in warm conditions.

With its snug fit and technical materials, the Fast Feet 2 sock offers ultimate comfort and performance. The foot section is based on the famous Castelli Rosso Corsa design, which supports your feet and minimizes irritation, even during long rides.

The sock has a polyurethane grip strip on the top, which keeps it in place, even during intensive efforts. The ingeniously constructed Lycra® material in the leg area provides efficient airflow, helping the sock reduce air resistance and promote a streamlined riding experience.

Whether you're racing on the road or enjoying long training rides, the Castelli Fast Feet 2 sock is the ultimate companion for serious cyclists who strive for top performance and comfort even under the most challenging conditions.