Smartwool’s PhD Outdoor Light Crew features Reliawool Technology for improved durability in the heel and toe and the 4-Degree Elite Fit System, to keep the sock in place and giving you all-sport versatility.
- 4-Degree Elite Fit System offers great stretch and recovery for a better fit
- Patented Reliawool Technology in high wear areas for maximum durability
- Mesh ventilation offers increased breathability
- Crew height coverage to fit with a variety of boots