Women's Smartwool PhD Outdoor Medium CrewThe Women's PhD Outdoor Medium Crew by Smartwool is a full cushioned, versatile, outdoor sock.
- 4-Degree Fit System for all day comfort. (ankle band, upper instep band, lower instep band and an arch band.
- WOW (Wool-On-Wool) Technology replaces nylon in the high impact zones with wool for a longer lasting, more comfortable sock.
- Moisture wicking sock keeps your feet dry.
- Odor control
- Strategic mesh zones for maximum ventilation.