Men's 3 Pair Pack Extra Heavy Thermal Socks are any socks that are made out of very warm materials and are used to keep the feet warm in cool climates. Get ready for cold weather with soft, comfortable thermal socks. Ideal for snow activities such as skiing, snow boarding, ice skating etc. *Material: 55% Cotton 40% Polyester 5% Spandex *Reinforced heel and toe for extra durability *Fits shoe size 6-12 (sock size 10-13) *Cushioned sole for long-lasting comfort and protection *Machine wash warm, Tumble dry low, No bleach Product Information: Size: 10-13 size Color: 424 - Grey/Black Tip Toe 425 - Grey Upper Black