Personalized Structural Engineer League Toddler Full Zip Hooded Jacket. A red, white and blue design containing an I-Beam and structural engineer text is a fun gift for engineers and engineering students that are in a league of their own. 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.