Personalized Protected by a Boxer Dog Long Sleeve T-Shirt. Funny Long Sleeve T-Shirt - White for a family with a Boxer dog has design that says warning protected by a boxer. 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