These are Officially licensed Grateful Dead socks! Grateful Dead is one of the most popular music bands of all time! This no-show ankle sock set features 5 pairs with vivid colored Dancing Bears. You can mix and match for those quirky feeling days. Made of soft 98% Polyester, 2% Spandex. These are sock size 9-11 which fits men's shoe size 5-9 best, and women's shoe size 5-10 best