Personalized Skull and Crossbones Polar Bear Infant Romper. Polar Bear skull and crossbones Infant Romper - White has funny smiling bear face with bones. 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)