This combination of a black denim jacket and navy jeans is simple, on-trend and super easy to copy. If you need to immediately rev up this outfit with one item, why not complete your getup with a pair of dark brown chunky leather derby shoes? As you can see here, this getup is a really savvy choice, especially for unpredictable fall weather, when the temps are dipping. And if we're talking style tips for guys in their thirties, this combination looks great on almost any man.