Personalized Shut Up and Fish Youth T-Shirt. Shut up and fish! fishing is serious business, and know when it's time to talk and when it's time to fish. Funny fishing gift! 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.