The Ultimate EXTREME THICK THERMAL Sock provides greater thickness and durability for cold climates with 68% Alpaca. Let Alpaca show off its phenomenal insulating property so you can enjoy your outdoor activity. Extra reinforcement is on the heel and toes, and socks are machine washable and so soft. Additional terry length inside for even more comfort, and they are not tight on the calf. The word Alpaca is knit across the top of the toes.
Small Fits Women's 5-8 Men's 4-7 Medium Fits Women's 8-10 Men's 7-9 Large Fits Women's 10-12 Men's 9-11 Extra Large Fits Women's 12-13 Men's 11-14 Double Extra Large Fits beyond extra large