Personalized Earth Day Rocks Newborn Layette. Earth Day Newborn Layette - Heather to support our planet with funny and cool earth wearing sunglasses graphic says Earth Day Rocks. For conservationist, green and earth lovers. 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