The Red Wing Heritage Deep Toe Cap Socks Merino Wool 3-Pack features a nylon heel reinforcement for durability and an extended long fabric toe cushion. Versatile enough for all-season wear. Comes in a 3 pair pack with three different colors offered. 51 percent wool, 34 percent acrylic, 13 percent nylon, 2 percent spandex. Machine wash cold, tumble dry low. Made in USA.