These unisex quarter socks are great basics for all kinds of sports and activities. They feature a USA knit design on the cuff and are made with a cotton blend material that is comfortable for everyday wear. White S/M fits shoe size 6-9.5 or mens shoe size 8-10.5 85% Cotton, 12% Polyester, 3% Rubber A case of 20 dozens (240 pairs) Machine wash, tumble dry low