Personalized Big Brother Monster Truck Youth T-Shirt. Big Brother Monster Truck. A big red monster truck with muddy tires jumps over the word brother. Cool gift for any big 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.