Featuring a versatile, multi-sport design, our PhD Outdoor Light Mid Crew includes ReliaWool technology for superior durability in high wear areas and the 4 Degree elite fit system to keep the sock in place. Now available in mid crew height.
PhD Built for Performance in the Highest Degree
4 Degree? Elite Fit System Uses two elastics for greater stretch and recovery to keep the sock in place
ReliaWool? Patented ReliaWool? technology in high impact areas provides superior durability
Light Cushion The ideal cushion for varied trail and road terrain
Machine Wash Warm Gentle Cycle. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.