Personalized Baby It's Cold Outside Newborn Layette. Baby it's cold outside! This cute holiday snowman is perfect for the season. Merry Christmas and Happy holidays! 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