The Smartwool PhD Running Ultra Light Micro Socks feature targeted cushion without the weight. Combining athletic science and SmartWool quality, these PhD socks support and cushion your feet while wicking moisture and controlling temperature. These lightweight micro length socks feature SmartWool cushioning in the critical impact zones for added protection and durability. Utilizing SmartWool's new 4-Degree Elite Fit System, the SmartWool PhD Running Ultra Light Micro Socks work with the mechanics of the athlete's foot features even better stretch and recovery for an exceptional fit in critical areas. These PhD Run Ultra Light socks were designed with ventilation zones tailored made for a man's foot for exceptional breathability. The SmartWool PhD Running Ultra Light Micro Socks helps you go the distance without weighing you down.
4 Degree™ elite fit system uses two elastics for greater stretch and recovery. Run-specific fit.
Mesh ventilation zones designed around a man’s foot.
1.5" overall height
Patented ReliaWool™ technology in high impact areas increases durability
Virtually seamless toe
200 needle construction provides highest knit density while maintaining ultra light weight
Knit in USA of Imported Yarn: 52% Merino Wool, 44% Nylon, 4% Elastane