A burgundy turtleneck and black chinos are surely worth being on your list of essential casual styles. Finishing with black leather derby shoes is the simplest way to give an added dose of style to this ensemble. So as you can see, it's extremely easy to look stylish and stay warm when chillier weather hits, thanks to this ensemble. As you're going through your late 20s, you want to start dressing more like a mature gentleman. That's when combos like this are a life saver.