Smartwool PHD Run Light Mini Features:
- 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
- Flat knit durable toe seam for high burst strength
- Double layer 1x1 ribbed welt
- 70% Merino Wool, 28% Nylon, 2% Elastane
Smartwool's light cushioned PhD Running Light Mini is the perfect running sock for chilly weather and longer distances. Thanks to ReliaWool™ Technology in high density impact zones, the PHD Running Light Mini socks are sure to outrun your running shoes.