Personalized Marching Band Sport Long Sleeve T-Shirt. Marching Band, the sport for intelligent people. It takes more than physical strength and fitness to be in marching band. It takes intelligence! Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL