Personalized Baby It's Cold Outside Infant Romper. Baby it's cold outside! This cute holiday snowman is perfect for the season. Merry Christmas and Happy holidays! Meet your new favorite outfit! Keep dressing simple with this one piece, lap shoulder t-romper. Super soft and perfect for baby's sensitive skin. 5.5 oz. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40; Heather is 90/10 combed ringspun cotton/polyester)