Personalized Mommys Lucky Charm Childs Rainbow Newborn Layette. Mommy's lucky charm Irish shamrock and rainbow St Patricks Day Newborn Layette - White outfit. 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