Personalized Keep Calm and Go Fishing Long Sleeve 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. 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