Harley-Davidson Wolverine Men's CoolMax Wicking Riding Socks, Gray D99085370-020 Polyester Blend Men's Performance CoolMax Crew Fit Riding Sock Size Large: Fits Men's shoe size 9-13 Made of 40% Coolmax Polyester, 40% Cotton, 15% Nylon, 3% Spandex, 2% NanoGlide Coolmax moisture wicking for cooler, drier comfort with NanoGlide technology provides added durability moisture wicking and friction reduction in key areas Embedded arch support reduces foot fatigue during the ride and Ribbed stay-up top for a secure comfortable fit