Harley-Davidson Mens Mid Calf Ultimate Riding Socks Black Sock - L &ndash; M Polyester Blend Men's Ultimate Riding Mid Calf Socks Size Large: Fits Men's shoe size 9-13 Made of 70% Ultra Dri Ultraspun Polyester, 27% Nylon, 3% Spandex Ultra Dri moisture wicking for cooler, drier comfort Made in the U.S.A