Personalized Beam Moment T-Shirt. Structural engineer, give me a moment with a bent beam is a humorous twist on the double meaning behind the word moment and is a funny design for engineers and college students at birthdays and holidays. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.