Personalized Big Bro Bulldozer Construction Brother Boys Youth T-Shirt. Big Bro Youth T-Shirt - Pacific Blue for boys has colorful bulldozer construction truck design to announce your son will be a new brother. 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.