These unisex ankle socks are made with a soft, cotton material and a mesh top for extra dryness. The cushioned soles with reinforced heel and toe provide maximum comfort. The arch support helps reduce foot fatigue by providing firm brace. Available in assorted colors. Small/Medium fits womens shoe size 6.5-9 or mens 8-10.5 and Large/X-Large fits womens shoe size 9-12 or mens shoe size 10-13. Made of 77% Polyester, 20% Cotton, and 3% Spandex. Machine wash, tumble dry low.