Eanana Men Casual Daily Outdoor Sports Towel Crew Socks 5 Pairs Material: 75% cotton, 20% polyester, 5% spandex Fits adult shoe size 5-11 Made of healthy high quality cotton, absorb sweat and deodorant function Full of elasticity, super soft and comfortable. Do not use bleach and a long soak, Hand/Machine Wash Cold Wash inside out and then air dry to reduce shrinkage