The PhD Ski Ultra Light was designed after our classic Ski Ultra Light, except with a 4-Degree Elite Fit System and Reliawool Technology to create our most comfortable and durable sock yet.
Knit in USA of 57% Merino Wool, 40% Nylon, 3% Elastane
- New 4 Degree Elite Fit System uses two elastics for greater stretch and recovery to keep the sock in place
- Patent pending ReliaWool Technology in high impact areas provides the longer lasting protection to keep feet comfortable
- Strategically placed mesh ventilation zones provide ventilation for temperature and moisture management
- Low profile and durable seamless toe
- 14" overall height
- Additional Information