Personalized Baseball Egg Batter Infant Romper. An egghead in a baseball cap and holding a baseball bat with the text Egg Batter is a humorous egghead design for athletes and cooks at back to school, birthdays and holidays. 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)