For an ensemble that's very straightforward but can be modified in many different ways, try teaming a brown shirt jacket with white jeans. Feel uninspired with this ensemble? Invite a pair of brown suede oxford shoes to change things up a bit. As you can see, it's super easy to look on-trend and stay warm when cooler weather hits, thanks to this outfit. You can pay attention to looks like this if you've passed the big 3-0 and you want to take a more mature approach to your style.