Marrying a grey overcoat and a beige knit wool turtleneck is a fail-safe way to inject personality into your day-to-day lineup. And if you wish to effortlessly elevate this ensemble with a pair of shoes, complete your look with a pair of black leather chelsea boots. Rest assured, this look will keep you warm as well as looking stylish in this awkward transition weather. As a 30-year-old gentleman, you want to start dressing like a grown man. If that's the case, looks like this become very relevant.