Memoi Camp Socks are model Promo 710. These are a 3 pack of girl's knee socks. The Memoi Write On Camp Socks come with a white rectangle on the bottom of the sock to write the camper's name. A small permanent marker is included to write on the socks. These socks are a top seller for camp and are very economical. The average high school girl or woman needs size 9-11. 70% Cotton, 27% Polyester, and 3% Spandex.