Smartwool’s PhD® Outdoor Medium Crew features ReliaWool™ Technology for improved durability in the high wear areas and the 4 Degree Elite™ fit system, to keep the sock in place and give you all-sport versatility.
- 4 Degree™ elite fit system uses two elastics for greater stretch and recovery to keep the sock in place
- Patented ReliaWool™ technology in high impact areas provides longer lasting protection to keep feet comfortable
- Strategically placed mesh ventilation zones provide ventilation for temperature and moisture management
- Flat knit durable toe seam for high burst strength
- 7.5" overall height
- Medium full cushion
- 63% Merino Wool / 35% Nylon / 2% Elastane