Personalized Grandaddy Vintage Grandfather Men's V-Neck T-Shirt. Grandaddy Men's V-Neck T-Shirt - Black birthday or Fathers Day gift has a cool vintage style crown logo for your grandpa. 4.7 oz., 100% pre-shrunk cotton Narrow, set-in 1x1 mitered V-neck collar Shoulder-to-shoulder taping Double-needle stitched sleeves and bottom hem