Personalized Welsh Sheepdog Dad (Worlds Best) Dog Breed Long Sleeve T-Shirt. Fun worlds best welsh sheepdog dad dog breed 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