These officially licensed Superman Caped knee high socks, popularized by RG3, Robert Griffin III. When he sported the Superman caped socks at the Heisman presentation. These black socks feature the Superman Symbol and red mini capes hanging from the back. Made from 80% acrylic / 17% polyester / 3% spandex. One size fits most, womens size 6 1/2 to men's size 12.