Personalized Papaw Grandpa Vintage Youth T-Shirt. Papaw Youth T-Shirt - White has round vintage logo that says premium quality Grade A Papaw on this fun gift for grandpa on Fathers Day or a birthday. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.