Personalized Drink Beer T-Shirt. Keep Calm and Drink Beer. Good advice for everyone. Relax, and enjoy a delicious ale, lager, stout or other tasty beer. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.