These unisex socks are made from an ultra-breathable polyester and cotton blend material, to keep you cool and comfy during any activity. They feature reinforced toes with cushioned soles and the no-show length cut makes them a great go-to option for daily wear. S/M fits womens shoe size 6-9.5 or mens shoe size 8-10.5; L/XL 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.