80% Cotton, 15% Polyester, 3% Rubber, 1% Spandex, 1% Nylon Imported Maximum Cushioning around the foot (full foot cushion) FreshIQ Advanced Odor Technology helps fight stinky feet Wicking Cool Comfort Fabric helps wick moisture and keep feet dry Double Tough Durability Comfort Toe Seam Fits Men's Shoe Sizes 12-14