A grey plaid blazer and khaki chinos are absolute mainstays if you're planning a smart closet that holds to the highest sartorial standards. For maximum style, complete this getup with a pair of brown suede chelsea boots. When it comes to dressing for autumn, nothing beats a knockout getup that can take you from season to season. As a guy in his thirties, you probably want to start dressing in a more refined manner. If that's the case, looks like this become very relevant.