100% Polyester COSTUME INCLUDES: Jumpsuit With Boot Tops, Belt, Cape OFFICIALLY LICENSED: DC Comics Superheroes Superman. THE RIGHT FIT: Boys size medium (8-10), when deciding size, please note costumes run smaller than apparel IMPORTANT DETAILS: Pull on jumpsuit with hook and loop closure at the neck and removable cape EVERY DAY IS AN OCCASION: Great for Halloween, themed parties, festivals, cosplay events, or anytime, because life is more fun in costume. COSTUME DESTINATION: Rubies aims to spark joy and creativity worldwide as your go-to destination for expertly crafted costumes, accessories, and all celebration needs