Stay warm without the bulk in our Work Merino Wool Medium Weight Crew Work Sock. Made with moisture-wicking Technical Merino Wool, this sock also offers cushioning for added protection and reinforced heel and toe for durability. Plus, the mesh top provides breathability for all-day comfort. Unisex fit URFit® Memory Knit provides arch support and prevents sagging or bunching. Wick Dry® Technology minimizes moisture buildup, reducing hot spots and blisters. Mediumweight Knit for enhanced cushioning & warmth for cooler weather and extended wear. Cushion provides shock absorption for the shin and heel/toe while offering insulation and enhanced comfort. 52% Merino Wool, 39% Nylon, 7% Polyester, 2% Spandex Style #6621