Personalized I Beam U Beam Toddler Full Zip Hooded Jacket. Images of a steel I-beam and a piece of channel with the text I Beam, U Beam, we all beam is a funny gift design for construction workers, structural and civil engineers, steel detailers, drafters 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.