Personalized Rather Be Fishing Grandson Long Sleeve T-Shirt. Fishing theme Long Sleeve 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. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL