SDS Men's 5-pack Cotton Grid Crew Athletic Sock 80% cotton Material: 80% cotton, 15% nylon, 80% spandex Fit for men's socks sizes 7 to 9 Gentle support and comfortable fit,Comfortable skin-friendly, breathable, efficient deodorant This sock is 200 needle craft, stitch delicate, comfortable to wear. Double tough reinforced heel , toe Machine wash warm, tumble dry