A navy geometric overcoat and brown dress pants are a classy ensemble that every smart man should have in his collection. Balance out your outfit with a more casual kind of footwear, like these brown suede cowboy boots. So as you can see, it's very easy to look amazing and stay toasty when colder weather hits, thanks to this getup. As a gent in his 30s, you want to start dressing more like a mature gentleman. That's when looks like this are a real life saver.