Castelli Rosso Corsa Pro 9 Sock

- 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