Personalized Grandpa is my Hero Newborn Layette. 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! 100% combed ringspun cotton 5.8 ounce 1×1 baby rib sleeper. 3/8" flatlock binding at envelope neck and cuffs. Back sleeve flap to protect hands. Elastic opening at bottom. Infant: 0-3 Months