61% Merino Wool /37% Nylon /2% Lycra Spandex Made in USA PAY FOR 5 AND GET THE 6th FOR FREE | MADE IN THE USA: Every pair of socks is knit in Northfield, Vermont – the perfect testing ground for the finest premium all weather performance socks. 1/4 SOCK HEIGHT ? Sits just above the ankle. The “just right? height that’s fast and light. Great for low-cut hikers and running shoes. For a taller sock, check out style 1466. CUSHION ? Mid-level cushion density under foot. A warm and ultra-comfortable choice when conditions demand it. COMPOSITION ? Repels Bacteria and Odor. Crafted with 61% Merino Wool /37% Nylon /2% Lycra Spandex. 1441 stitches per square inch provides extra cushioning, durability, and a foot hugging fit. GUARANTEED FOR LIFE ? Darn Tough’s famous guarantee – if these socks wear, tear, or develop holes, Darn Tough will replace them no questions asked. No strings. No conditions.