Personalized Nuclear Eggineer Toddler Full Zip Hooded Jacket. Eggineers are engineering eggheads. Nuclear Eggineer text with an egghead surrounded by a green glow and holding a Geiger counter is a fun gift design for holidays, birthdays and graduation. 7.5 oz., 60/40 cotton/polyester. Jersey-lined double-needle hemmed hood. Pouch pockets for all their treasures. Coverstitched shoulders and armholes. Coverstitched rib waistband and cuffs.