2-in-1 patented sock and liner. Wigwams Ultimax patented moisture control technology efficiently moves moisture from the inside lining to the absorbent outer sock keeping your Feet Dry and comfortable. Seamless toe. Liner, 100% olefin. Outer sock, 55% merino wool, 25% nylon, 17% olefin, 3% spandex. 1 Pair in Black.