Mysuntown Unisex Cotton No Show Socks Anti-Slip Low Cut Liner Boat Socks 3 Pairs Material: 80% Cotton 17% Polyester 3% Elastic spandex "Y" heel pocket, silicone heel grips stop slipping Premium cotton, breathable and soft material, open-stitch knit-in panels ventilate air, keep your foot dry and comfortable Low cut & Anti-slip, no show length, good matching for your sneakers, loafers, boat shoes, sandals and clogs etc Size: one size available.Fits U.S. shoe size 5-10.