●75% Combed Cotton+15% Wool+10% Rayon ●Imported ●Machine Wash ●75% Combed Cotton+15% Wool+10% Rayon ●Size: S: 4-6; M:6-9; L: 9-11 US women shoe size. ●Soft and comfortable premium cotton keeps your feet cool and comfortable! Long lasting and machine washable . ●Anti-Slip Silicon heel grips prevents socks from Sliding Down. ●Contact us or amazon customer service if your order is not returnable. We will offer you satisfying solution.Rich Cotton - Soft, Breathable, Wearable, Moisture-wicking and Odor-fighting.