This combo of a navy overcoat and beige dress pants is a surefire option when you need to look like a modern dandy. Dial up your whole outfit by wearing desert boots. This combo is really a staple if you're looking to stay warm this winter and look equally stylish. As a gentleman in his thirties, you probably want to start dressing in a more refined manner. In this case, looks like this prove useful as a source of inspo.