Mens Medium Weight 68% Merino Wool Crew Hiking Socks Fits 8-12, Select 2 or 6 Pair 10% polyester 68% Merinio Wool For the Perfect Warm to Weight Ratio, wicking away moisture to keep your skin dry and warm. Enjoy the Natural anti-odor qualities of Merino Wool. We Built this sock to help keep your toes Warm and Comfortable from -5 to 25F Reinforced for extended wear, Extra cushioing and Arch Support. 68% Merino Wool, 15% Cotton, 10% Polyester, 7% Elastic, Care: Machine Wash Warm, Tumble Dry Low Sock Size 10-13 Fits Mens Shoe 8-13