Personalized Trombonist Worlds Best Long Sleeve T-Shirt. Fun trombone instrument silhouette with World's Best Trombonist music quote comes on a Long Sleeve T-Shirt - Pink gift for the trombone player in band or marching band. Add a personalized name for a custom gift. 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