Personalized First St Patricks Day Irish Shamrock Truck Boys Infant Romper. Cute Irish green construction truck baby's 1st St Patricks Day Infant Romper - Black with lots of shamrock clovers and a 4 leaf clover for luck. 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)