If you appreciate the natural warmth and long-wearing qualities of wool, then these socks will make an excellent choice for all your outdoor activities. Add a pair of Cabelas liner socks for maximum wicking performance. Extra-heavyweight stretch boot socks made of 50% merino wool/30% wool/10% nylon/9% acrylic/1% Lycra. The spandex supported rib tops help these socks keep their shape and keep them from sliding down into your boots. Made in USA. Ht: 14. Wt: 5.5 oz. Wall thickness: 0.225. Mens sizes: M(6 to 8), L(9-12), XL(13-15). Youth sizes: XS(10-13), S(1-5). Colors: White/Green, White/Gray. Approved for Cabelas waterproof, breathable footwear. Type: Socks.