Personalized Grampy's Caddy Golfing Golf Cart Youth Long Sleeve T-Shirt. Grampy grandchild Youth Long Sleeve T-Shirt - White has cute Grampy's Caddy quote with golf cart design. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)