Personalized Intelligent Trombone Rough Text Youth T-Shirt. Trombone, the instrument for intelligent people in rough text is a funny low brass design with attitude for back to school, birthdays, holidays, marching band and graduation. 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.