Combining a trenchcoat with a sweater vest is a great pick for a classic and classy outfit. Complete your ensemble with dark brown leather oxford shoes et voila, the look is complete. As you can see here, this getup is a really great pick, especially for transitional weather, when the temperatures are starting to drop. As you're transitioning from your teenage years to your 20s, you probably want to start dressing more like an adult. If that's the case, combos like this prove useful as a source of inspiration.