Personalized Winter Tuba T-Shirt. Patterned tuba text in a blue decorative oval is a unique gift design for low brass musicians, school music teachers and students in tuba choir, concert and marching band. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.