Personalized Sousaphone (white) Women's Plus Size T-Shirt. Display your pride for your Sousaphone skills with this drawing on Women's Plus Size T-Shirt - White 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. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40 combed ringspun cotton/polyester)