Smartwool Mens Ski Medium Sock Black Grey

The PhD Ski Medium features a medium-cushioned shin and foot, as well as a superior fit, durability and versatility. Features the 4-Degree Fit System, which gives you more wool in high impact zones to reduce shock and abrasion.
FEATURES:
Knit in USA of 70% Merino Wool, 28% Nylon, 2% Elastane
4-Degree Fit System for all day performance fit
WOW Technology in High Density Impact Zones to reduce shock & abrasion
SmartWool inside for moisture
temperature and odor control
Strategic mesh zones for maximum ventilation.