Personalized Electrical Engineer Button T-Shirt. Electrical Engineer on a blue button. It's easy to push this button, but, watch out, sparks may fly! A fun gift design for electrical engineers at birthdays, holidays and graduation. 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.