Personalized Coolest Civil Engineer Youth T-Shirt. A hard hat topped snowman with a transit and the world's coolest civil engineer text is a humorous engineering gift design for college students and engineers for birthdays and winter holidays. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.