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