The PhD Outdoor Light Medium 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 giving you all-sport versatility.
New 4 Degree Elite Fit System uses two elastics for greater stretch and recovery to keep the sock in place
Patent pending ReliaWool Technology in high impact areas provides the 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