Personalized Electrical Eggineer Infant Romper. Eggineers are engineering eggheads and this egghead holding lightening bolts with electrical eggineer text, is a fun design to make your electrical engineer smile at 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)