Adult Supergirl Costume - This DC comics Superman counterpart first appeared in Superman #123 in August of 1958. However, the official Supergirl, otherwise known as Kara Zor-el was created by Binder and Palastino in 1959.This Woman of Steel costume is officially licensed and patterned to Supergirl's popular costuime. The adult Supergirl costume includes a shirt with attached cape, skirt, belt & boot tops. Adult extra small 2-6 size. Polyester.