Personalized Future Bookworm in Training Reading Infant Romper. Bookworm in training Infant Romper - Black with stack of books and little worm for boys or girls who love to read 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)