The SmartWool PhD Ski Medium Sock gives you all day comfort and performance fit. The 4-Degree Banded Fit System leverages technology used in today's athletic footwear to raise fit, feel and performance to unheralded levels. Crouching Tiger, Hidden Dragon type stuff, beyond the realms of physics and clothing science.
4-Degree banded Fit System
WOW (wool on wool) Technology™ in High Density impact Zones to reduce shock & abrasion
SmartWool inside for moisture, temperature, and odor control
Duroyarn™ reinforcement for added comfort & durability