The Rosso Corsa Pro 15 Sock is the best sock Castelli has ever made for performance cycling. Cool mesh, padded forefoot, compression midfoot, and even a reflective tab at the back. Rosso Corsa is back.

• Multiple-structure knit to get the right performance in every part of the sock
• 200-needle construction for extra stretch
• Compressive midfoot support band
• Asymmetrical construction to mirror shape of foot
• Reflective tab at center back
• Cushioning pad under ball of foot
• Meryl® Skinlife yarns with antimicrobial silver ions to reduce odor