Personalized Astronomer Like Mommy Newborn Layette. Astronomer Like Mommy Newborn Layette - Pink has cute handprints design for kids with When I grow up I want to be a Astronomer like my Mommy occupation slogan for the son or daughter of a Astronomer. 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