Under Armour ColdGear Lite Boot Socks are made of 40% olefin, 40% wool, 18% nylon and 2% Lycra spandex for high performance in cold conditions. Fully cushioned footbed absorbs shock, while a fully reciprocated heel and toe with a flat toe seam provides a great fit and flawless performance in any weather. Per pair. Made in USA. Men's sizes: M-XL. Color: Black.