So as you can see, looking casually neat doesn't take that much work. Wear a duffle coat and blue jeans and be sure you'll look awesome. A pair of brown low top sneakers easily boosts the fashion factor of your getup. This ensemble is a pretty great idea, especially for fall, when the temps are starting to drop. As a 30-something Millennial gentleman, you probably want to start dressing more like a mature gentleman. If that's the case, inspo like this proves very useful.