The Smartwool Women's PhD Snowboard Medium Socks are specifically designed for a woman's foot. The medium full-cushioned foot and leg in this sock keep you comfy as you rock in the park all day. The 4 Degree Elite Fit System offers great stretch and recovery for a better fit. WOW™ technology in high density impact zones reduces shock and abrasion. Patented Reliawool Technology in high wear areas for maximum durability.