Sock Size 9-11 (Adult Medium) This sock has Adult Large (10-13) option in different color (check out men's sizes) Adults and Teens! Is this real?  Was this in a dream?  Fire Breathing Unicorn (wearing socks) riding a dolphin with a rainbow in the background.  These socks are unique and totally fun.  You will be noticed and a cool conversation is sure to begin!  Great for him or her. * 85% Peruvian Cotton, 10% Nylon, 5% Spandex * Attention getting design - Guaranteed to start a conversation * Up your Sock Game with these fun socks!  * 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. Thank you!