Top Flite Men's Diabetic Non-Binding Crew Socks 2 Pack 80% Cotton, 17% Nylon, 3% Spandex Made in US No Closure closure Machine Wash Crew length non-binding loose knit top construction that won't cut into your skin Foot and heel cushioned for extra comfort Knit with breathable cotton Medium fits USA shoe 6-9 Large fits USA shoe 9-13