Harley-Davidson Mens Mid Calf Xtreme Wool Rider Grey Wool Blend Socks Merino Wool 35% Merino Wool, 35% Polyester, 25% Nylon, 5% Spandex Moisture wicking premium merino xtreme wool Embedded arch support reduces foot fatigue during the ride Full cushion support, Mid calf fit Ribbed stay-up top for a secure comfortable fit