Personalized Granddad's Little Golfing Buddy Grandson Youth Long Sleeve T-Shirt. Granddad little golfing buddy grandchild Youth Long Sleeve T-Shirt - Royal Blue has golf cart logo for a little boy. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)