Product Details - Smartwool Men's PHD Ski Ultralight Sock
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.
Product Specifications - Smartwool Men's PHD Ski Ultralight Sock
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
Size - Smartwool Men's PHD Ski Ultralight Sock
ADULT SOCKS (shoe size reference)
| Sizes | US Men | US Women | Euro | UK |
| Small | 3-5.5 | 4-6.5 | 34-37 | 2-4.5 |
| Medium | 6-8.5 | 7-9.5 | 38-41 | 5-7.5 |
| Large | 9-11.5 | 10-12.5 | 42-45 | 8-10.5 |
| X Large | 12-14.5 | N/A | 46-49 | 11-13.5 |
