The Smartwool PhD Running Light Micro Socks are the results of athletic science and SmartWool quality to create one of the best athletic socks anywhere. This lightweight 1/2 cushion, low-cut anklet features high density SmartWool cushioning in the critical impact zones for added protection and durability. The PhD Running Light Micro Sock was designed with SmartWool's 4 Degree Fit System, which works with the mechanics of the athlete's foot and has exceptional fit in critical areas. The SmartWool PhD Running Light Micro Socks are ideal for any running event that requires great fit, and all-day SmartWool comfort and performance.
Smartwool PhD Running Light Micro Socks Key Features