Personalized Gone Fishing Line Grandpa Youth Long Sleeve T-Shirt. Cute Youth Long Sleeve T-Shirt - White with a line of fish and GONE FISHIN' sign says GRANDPA'S FISHIN' BUDDY. Fishing line graphic by JW Illustrations at jessicaweible.com. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)