Personalized Grandpa is my Hero Infant Romper. My grandpa is a superhero! He is my hero! Comic book theme t shirt for your child to wear on Father's Day, or any day. Grandpa will love it! Meet your new favorite outfit! Keep dressing simple with this one piece, lap shoulder t-romper. Super soft and perfect for baby's sensitive skin. 5.5 oz. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40; Heather is 90/10 combed ringspun cotton/polyester)