Personalized Gone Fishing Line Grandpa Youth T-Shirt. Cute Youth 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. 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.