Personalized I Beam U Beam Long Sleeve T-Shirt. 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 Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL