Keep Calm T-Shirt – Drink to forget in this tshirt. The Keep Calm T-Shirt is under the Funny T-Shirts section of our store. Displaying one of our ultra cool designs, this Funny T-Shirt features white text, outlined with green, white, orange and green shamrock On its front that says "Keep calm and drink on." This soft but durable t-shirt it makes a great gift for someone who likes their Irish roots. Our shirts are made from premium quality blank tees that are 100% Cotton. Our Keep Calm T-Shirt is incredibly comfortable and it is made to last. Our Funny T-Shirts can be found in a color and size of your choosing. If you have any questions or suggestions regarding our Keep Calm T-Shirt or any of our other Humorous T-Shirts let us know the name of the product and details of your question in an e-mail.