She can save the day sporting this Deluxe Supergirl Fancy Dress Costume! A must-have for miniature super heroes, this cool Supergirl costume features a red and blue dress complete with a swishy cape, gold belt and red boot tops. Perfect for fancy dress parties, this deluxe Supergirl outfit comes in a size Small: Age 3-4, Medium: Age 5-7 and Large: Age 8-10.