Personalized Traffic Eggineer Infant Romper. Eggineers are engineering eggheads and this humorous traffic eggineer with a traffic light, a hard hat sporting a road and directional text will bring a smile to your engineer on birthdays, holidays, and graduation. 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)