Size:10-12 Product description Tony Stark has suits that let him do everything from traveling to outer space to going to the bottom of the ocean, but his most recognizable suit is the one that our Boys Iron Man Mark 42 Classic Muscle Costume is designed after. Pick up this awesome outfit for Halloween which includes the mask and jumpsuit with muscle torso and arms. The gold design on this red costume will make your son look like hes wearing Tonys metallic suit, and we even feature Iron Mans uni-beam projector on the chest. Iron Man is the genius who creates newer and newer armor for himself to increase his super power abilities. With the recent popularity of Iron Man and the Avengers, our Classic Boys Iron Man Mark 42 Muscle Costume is the perfect idea for Halloween!. Large (Fits most size 10-12), Medium (Fits most size 7-8), Small (Fits most size 4-6), Xsmall (Fits most size 3T-4T)This is an officially licensed item From the Manufacturer Sculpted Muscle Torso Jumpsuit with Glow in the Dark Arc Reactor.