Quattro Merlot Alpaca Socks- Tey-Art is twisting four colors of alpaca blended yarn together to create this heavy-weight sock. A great sock for hikers as the socks are soft and they wick moisture. 50% Alpaca, 41% Acrylic, 8% Nylon and 1% Spandex. machine wash cold, do not bleach, tumble dry low, and do not iron.