Personalized Paw paw (Worlds Greatest) Men's V-Neck T-Shirt. Worlds Greatest Paw paw Men's V-Neck T-Shirt - White gift with vintage look oval logo makes a great Father’s Day gift. 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