Personalized Papaw Grandpa Vintage T-Shirt. Papaw T-Shirt - Pink has round vintage logo that says premium quality Grade A Papaw on this fun gift for grandpa on Fathers Day or a birthday. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.