Personalized Show Choir Worlds Best Long Sleeve T-Shirt. This funny Show Choir Long Sleeve T-Shirt - White makes a great gift idea for a show choir member or director. Makes a great show choir gift idea. 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