A trenchcoat and a suit are absolute must-haves if you're figuring out a sophisticated wardrobe that holds to the highest sartorial standards. Complement this look with dark brown leather oxford shoes and you're all set looking smashing. So as you can see, it's extremely easy to look amazing and stay cozy come chillier weather, all thanks to combos like this. As you're going from your teen years to your 20s, you want to start dressing more like an adult. If that's the case, ensembles like this prove useful as a source of inspiration.