Personalized Grampy's Caddy Golfing Golf Cart Youth T-Shirt. Grampy grandchild Youth T-Shirt - White has cute Grampy's Caddy quote with golf cart design. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.