Personalized Biological Engineer Line Toddler Full Zip Hooded Jacket. Biological engineer with a decorative line sporting an ant. A fun gift design for college students, research assistants and biological engineers at back to school, birthdays, holidays 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.