Darn Tough Men's Gym Sock Solid Light Cushion 1745 - 2 Pack 46% Merino Wool, 48% Nylon, 6% Lycra Spandex To help ensure many happy miles with your Darn Tough Vermont socks we recommend that you machine wash them in warm water on gentle cycle with socks in-side out. Do not bleach. Tumble dry on low. Do not dry clean. 2 Pair Included Fast drying and moisture wicking Repels bacteria and odor Light Cushioning and True Seamless construction No slipping, no bunching, no bull