Harley-Davidson Wolverine Men's Extreme Riding Compression Socks - 3 Pairs Polyester Blend 3 Pairs Men's Extreme Riding Compression Sock Size Large: Fits Men's shoe size 9-13 Made of 70% Ultra Dri Ultraspun Polyester, 27% Nylon and 3% Spandex Compression construction increases circulation Made in the U.S.A