Smartwool Men's Phd Ultra Light
The PhD Ski Ultra Light was designed after our classic Ski Ultra Light, but contains new features, such as: a 4-Degree Elite Fit System and Reliawool Technology to create our most comfortable and durable sock yet
- 4 Degree Elite fit system using two elastics for greater stretch and recovery and to keep the sock in place
- Patented ReliaWool technology in high impact areas for long wear, protection, and comfort.
- Light padding in shin, ball of foot, and heel area for comfort.
- Flat knit durable toe seam for strength
- Strategically placed mesh ventilation zones provide ventilation for temperature and moisture management