Personalized Hoppy You're My Grandpa Men's V-Neck T-Shirt. I'm hoppy you're my Grandpa cute frog Men's V-Neck T-Shirt - White for a grandchild makes a great Father's Day gift idea for a visit to a grandfather. 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