Personalized Little Cowboy 1st Birthday Infant Romper. Western theme 1st birthday THIS LITTLE COWBOY IS 1 Infant Romper - White with cowboy hat, toy horse, cactus and sheriff's badge with big number one. 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)