Crew-cut style sits at the calf. Self-adjusting welt cuff. 4 Degree Elite Fit System features two elastics for better stretch and recovery. ReliaWoolâ"¢ technology is strategically placed in high impact areas for superior protection. Mesh vents keep feet cool and dry. Seamless toe stitching. 57% wool, 41% nylon, 2% elastane Machine wash cold. Tumble dry low. Imported.