Castelli Premio W Sock

The premium sock for comfort and cooling on both long-distance and intense rides.

- 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
- Cushioning pad under ball of foot
- Meryl® Skinlife yarns with antimicrobial silver ions to reduce odor