Here is our SuperGirl costume: very sexy and a powerful superhero. Super Girl is the cousin of Superman and had her own comic book series and mid-1980s movie. Dress as the Girl of Steel with our Super Girl costume. The Super Girl costume updates Super Girl's image. The disguise includes a flashy red skirt with gold belt and a long sleeved blue cropped shirt with the Super Girl logo and shiny gold banding. Attached to the shirt is a midength shiny red cape. The cool boot tops in red and gold are included. The SuperGirl costume is a truly deluxe costume.