Socks

- 200-needle construction for extra stretch - Lightest mesh ankle and top of foot for hot-weather comfort - Midfoot support band - Meryl Skinlife yarns with antimicrobial silver ions to reduce odor

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