Harley-Davidson Wolverine Men's Extreme Wool Performance Socks (Black, Large) Wool Blend Men's Extreme Performance Riding Wool Socks Size Large: Fits Men's shoe size 9-13 Made of 35% Merino Wool, 35% Polyester, 25% Nylon, 5% Spandex Naturally moisture wicking premium merino xtreme wool Made in the U.S.A