Crew length U.S. shoe size: men's 7–12.5, women's 10+ 60% cotton, 38% nylon, 2% spandex Made in Korea Also available in extra large and face mask These ferocious sharks are hungry for mammal flesh! It still isn't safe to go back in the water, but with a pair of these socks you can observe the waves from dry land, and look cool doing it.