Personalized Geography Rock On Infant Romper. Geography rock on text with a dancing rock holding the earth is a humorous gift design for teachers and students 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)