Random Flannel Generator is, quite simply, a company that sells flannels. They are the original home of the mystery flannel shirt sale. Originating in San Francisco, CA, Random Flannel Generator ships random vintage flannel shirts all across America for just fifteen dollars. Random Flannel Generator customers enjoy a good surprise and great bargain. Those who dare to buy from Random Flannel Generator don’t know which pattern they are going to get, but they trust that their flannel shirt will be vintage, cool and affordable.