Deluxe Muscle Chest Superman Child Costume - Medium Our muscle chest Superman kids costume includes the jumpsuit with attached boot tops, cape and belt. A fun muscle chest built right into the jumpsuit of this Superman costume. This deluxe muscle chest Superman costume for kids comes in child sizes Small, Medium, Large, Toddler. Wear this Superman costume for Halloween or for imaginative pretend play as a superhero. This deluxe muscle chest Superman costume for kids is an officially licensed Superman costume.