Rocky Wool Blend Hiker Sock, Large, Men"s Shoe Size 8–12, 2-Pack: * 39 wool/39 percent acrylic/17 percent nylon/4 percent polyester/1 percent spandex * Warm and comfortable * ScentIQ technology helps prevent foot odor * Soft merino wool blend and stretch fibers from top to toe for a comfortable snug fit * Ravel-free welt-top construction * Impact areas reinforced for durability and comfort * Machine washable