Hi! Fitment is very unique to everyone. So its hard to say. Our "modern fit" doesn't mean slim. It actually means it's more tailored. The arms are thinner and the body isn't huge. Probably the best way to see how they fit is check out this link. https://www.instagram.com/explore/tags/railcarchorecoat/ There's a lot of examples of different people wearing them in there. Thanks!