Personalized Papaw Grandpa Vintage Long Sleeve T-Shirt. Papaw Long Sleeve T-Shirt - Vintage Black has round vintage logo that says premium quality Grade A Papaw on this fun gift for grandpa on Fathers Day or a birthday. 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