The Smartwool PhD® Ski Ultra Light was designed after Smartwool's classic Ski Ultra Light, except with a 4 Degree™ elite fit system and ReliaWool™ technology to create their most comfortable and durable sock yet.
- 4 Degree™ elite fit system uses two elastics for greater stretch and recovery to keep the sock in place
- Patented ReliaWool™ technology in high impact areas increases durability
- Strategically placed mesh ventilation zones
- Virtually seamless toe
- 14" overall height
|Material||Knit In USA Of Imported Yarn: 55% Merino Wool, 41% Nylon, 4% Elastane|