Personalized Worlds Best Grampa Fathers Day Men's V-Neck T-Shirt. Grampa Men's V-Neck T-Shirt - Charcoal has cool Worlds Best sports style logo for 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