CAcB Women's Silicone-Circled Ultra Thin Cool No Show Footie Liner Socks Minimum coverage yet stay on your feet with TWO CIRCLED SILICONE LINERS. Non-slip on the heel and toes especially Life-like color of Nude, ultra thin,transparent nearly. But durable as the main fabric is Nylon. Cotton Bottom keeps your feet dry and comfortable! 80%Nylon + 20%Spandex / 72% Cotton + 18% Spandex Womens one size but fits most