Personalized Structural Engineering Hero Toddler Full Zip Hooded Jacket. Structural engineering hero in arched text is a funny gift design for engineers and engineering students. 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.