Women’s Pacas Ankle Socks NWT These super soft and durable low cut socks are knit with alpaca fiber, which is naturally thermoregulating, moisture wicking and odor resistant. A seamless toe, cushioned sole and padded heel tab provide added comfort to any activity or season. Composition: 44% Alpaca, 35% Acrylic, 19% Nylon, 2% Spandex S/M Shoe Size 5-8