Only a real fan of Duff would have the foresight to avoid the sleeves and show off their guns. After all, if you're going to be drinking so much Duff Beer, you might as well look good while doing it. This officially licensed Duff shirt will let the world know your beverage of choice! Adult Light Blue Sleeveless 100% Cotton Officially Licensed Standard Fit More Simpsons items: The Simpsons Shirts Size chart