Personalized Civil Engineers Road To Happiness Long Sleeve T-Shirt. Civil engineers build the road to happiness with images of a road, rocks, trees and sun is a funny gift design for civil engineers and engineering college 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