Adult Large (10-13) and Adult medium (9-11) These are great socks.  His, hers, they - whatever.  These are great love socks to share with someone.  Date night? * Made in Colombia * 80% Cotton, 15% 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. Thank you!