Sock Size 10-13 (Adult Large) Adults and Teens! Colorful bikes. Really cool and fun pattern. * 85% Peruvian Cotton, 10% Nylon, 5% Spandex * Attention getting design - Guaranteed to start a conversation. * Up your Sock Game with these fun socks! Unisex * High quality fabric that will not rip or tear - Very Comfortable * Best if washed in cold water. With your purchase, the Sock Panda donates socks to someone in need.