Personalized Keep Calm and Go Fishing Youth T-Shirt. Keep Calm and Go Fishing. When things get bad, don't panic. Just go fishing. Funny gift for anyone who loves to fish. 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.