Personalized Lucky Sock Monkey Infant Romper. Infant Romper - White with an adorable smiling green sock monkey in stripes and polka dots holding a shamrock. Text says LUCKY MONKEY. Cute for St. Patrick's Day. Graphics by JW Illustrations. 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)