Personalized Sousaphone (white) Youth T-Shirt. Display your pride for your Sousaphone skills with this drawing on Youth T-Shirt - Kelly Green with the word "sousaphone" resting on it. Also makes a unique gift for low brass musicians, music teachers and students at back to school, graduation, birthdays or 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.