Personalized 99 Problems Grandpa Long Sleeve T-Shirt. Funny Long Sleeve T-Shirt - Pink for Grandpa says I'VE GOT 99 PROBLEMS BUT BEING A GRANDPA AIN'T ONE. Distressed text. Funny Father's Day gifts for Grandpa, Granddad and Papa. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL