The SmartWool PhD® Outdoor Ultra Light Micro features ReliaWool™ technology for improved durability in the heel and toe and the 4 Degree™ elite fit system, to keep the sock in place and giving you all-sport versatility. This is the ultimate running sock for any type of running that you do.
- 4 Degree™ elite fit system uses two elastics for greater stretch and recovery to keep the sock in place
- Strategically placed mesh ventilation zones
- Virtually seamless toe
- 1.5" overall height
|Fabric||Merino Wool Blend|
|Material||54% Merino Wool, 42% Nylon, 4% Elastane|