Every man should have a good trucker Jacket.
Trucker Jackets are designed to run on the slim side. If you want one for the winter that you plan on wearing over a heavy sweater and some layers buy a size up from your regular size (if your a M, buy an L). if you plan on wearing it with thin shirts (like tshirt’s and woven’s) you should purchase your regular size knowing the jacket is going to fit snug. If you find a trucker jacket that you really love, this is one scenario where you could buy both sizes and wear it year round.
This jacket is a collaboration between Filson and Levis. It’s made from Filson’s famous waxed tin cloth making it extra rugged and built to last. While it’s currently not available on Levis website, you might have better luck on ebay.