Personalized Retro Santa Believe Infant Romper. Retro Christmas Infant Romper - White with an old fashioned, vintage Santa Claus, snow flakes. He says I BELIEVE! Perfect for kids and kids at heart. 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)