Gold Toe Men's Middleton Rib 3 Pack 61% Mercerized Cotton, 27% Polyester, 10% Nylon, 2% Spandex Imported Machine Wash 61% Mercerized Cotton, 27% Polyester, 10% Nylon, 2% Spandex Reinforced toe The standard of quality For best results launder inside out. machine wash warm with like colors. only non chlorine bleach when needed. tumble dry low. China