Personalized 99 Problems Grandpa Men's Tank Top. Funny Men's Tank Top - White 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 Quarter turned Adult: S, M, L, XL, 2XL