Father's Day is coming up. And don't forget all those grandfathers out there! This BJJ Grandpa design makes the perfect gift for all MMA fans and fighters, enthusiasts and grapplers, who are grandfathers and MMA enthusiasts, grapplers, and BJJ practitioners who are grandfathers, grandpas, grandads, Pas, opas, etc.! Makes the perfect Father's Day gift! And for all you grandfathers out there, roll on the mat and practice your submissions with this cool MMA, BJJ - Ju Jitsu t-shirt/apparel, and show your friends and relatives who the true jitz master is at your Mixed Martial Arts gym!