Check out these four new Dickies Flannel work shirts. So new, they aren’t even listed in the 2012 catalog. Just in time for winter, these Dickies shirts are built with the durability and ruggedness you have come to expect from Dickies and the flannel we all love this time of year. Sizes from Med. to 3XL. Get your Dickies Flannel shirt for work or play from Minnesota Workwear. The leading Dickies distributor.