Personalized Irish At Heart Newborn Layette. St. Patrick's Day Newborn Layette - White with a heart shaped shamrock says IRISH AT HEART. You can be Irish too, even if it's only for the day. Perfect for family celebrations, St. Patrick's Day parades or any time. 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