Personalized Civil Engineers Play Youth Long Sleeve T-Shirt. Civil Engineers don't just play in the dirt. They tame our planet's wild contours and make it a pleasant place to live! Fun gift ideas for Back to school, birthdays, graduations and holidays. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)