In the Kids Supergirl Costume girls can take on the world! Suit up and get ready to fight evil in this blue and red dress with removable cape and belt. This costume is authentic to the Supergirl TV series. While Kara Zor-El may originally be from the planet Krypton, she’s made her home on Earth. Now she must thwart the plans of the Luthors’ and protect Earth from extraterrestrial attacks. Your little girl can do it all in this Supergirl Halloween Costume. Availability: The Kids Supergirl TV Costume takes approximately 1 business day to leave the warehouse.