When you need comfort, warmth & good looks, MUK LUKS Women's 3 Pair Pack Boot Socks. Ultra-warm microfiber blend complements these cute socks stylish appearance. Machine wash on gentle cycle, no bleach, tumble dry low heat. Imported. - 92% Microfiber Polyester, 7% Nylon, 1% Spandex - Multiple color options available -3 Pair Pack - OSFM (Women's Sizes 6-11)