Imagine by Rubie's Costume Avengers Age of Ultron Hulk Muscle Chest Shirt Set Muscle chest Hulk costume shirt and half-mask Imagine size Small designed to fit children 44 to 48-inches with 25 to 26-inch waist, see measuring guideline image Child wears with their own pants Officially licensed Avengers Age of Ultron costume, only items shipped and sold by Amazon can be guaranteed to be authentic All Imagine by Rubie's products are tested to meet or exceed all US safety standards