Personalized Pet Sitter Vintage Classic Long Sleeve T-Shirt. Authentic Pet Sitter Long Sleeve T-Shirt - Charcoal has Pet Sitter a real classic vintage occupation logo. 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