80% Cotton, 16% Polyester, 3% Nylon, 1% Spandex Both hand washable and machine washable Low cut ankle kid socks: easy to match with all kinds of shoes in daily wear in all seasons, perfect for both indoor and outdoor activities, suitable for both boys and girls Reinforced heel and toe provide extra protection in high wear areas so they will not slide down from your kids' heels and stay in place perfectly with comfortable stretch Soft, Durable, Lightweight and moisture wicking, your kids' feet will stay fresh after all day wear, feel comfortable to wear with high elasticity Simple and classic design. Size fit for 2.5-6.5 Ankle No Show Socks for Boys Girls Casual and Athletic Youth Kids Low Cut Socks 8 Pairs Shoe Size: 2.5-6.5 - B3PNVZMKZ