Rubie's Costume Co - Teen Titans DC Comics Robin Muscle Chest Deluxe Toddler/Child Costume The Deluxe Muscle Chest Robin costume includes the superhero mask and jumpsuit with attached boot tops. The included cape and belt complete this deluxe Robin costume for children. This child & toddler size deluxe Robin costume features a cool muscle chest built into the jumpsuit. Our Robin kids costume comes in child sizes Toddler, Small, Medium, Large. This Robin kids costume is an officially licensed DC Comics costume.