Barbour “Tailerec Sapper” waxed cotton jacket

I love this jacket but unfortunately it just has never fit me nicely. I wear XL in most shirts, sweaters, jackets but this thing fits more like an L across the chest. It’s waxed cotton, so it’s water proof. Could probably do with a refinish though. A little dusty from being in the back of the closet but should clean up just fine.