Personalized Daddys Motocross Buddy BMX Youth T-Shirt. Motocross racing design for boys or girls has bike tire, rally flags and stars with quote that says Daddys motocross buddy. 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.