Castelli Fast Feet 3 Socks

For Road Racing Or When You Can't Wear A Fast Feet Tt Shoecover, This Sock Saves Watts.

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

Insulation 1/5

Waterproofness 1/5

Windproofness 1/5

Breathability 4/5

Lightness 4/5

- Weight:48G
- Temperature:10°C 38°C / 50°F 100°F