Personalized Rather Be Fishing Grandson Youth T-Shirt. Fishing theme Youth T-Shirt - White for grandpas who love to fish with their grandson with a photo of three fly fishing lures says I'D RATHER BE FISHING WITH MY GRANDSON. Great gift for Father's Day or birthday. 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.