Personalized Brittany Spaniel Puppy or Dog Long Sleeve T-Shirt. I love my Brittany Spaniel slogan with dog and bone 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