Personalized Earth Day Rocks Infant Romper. Earth Day Infant Romper - White to support our planet with funny and cool earth wearing sunglasses graphic says Earth Day Rocks. For conservationist, green and earth lovers. 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)