Consider wearing a mustard turtleneck and white dress pants to be the epitome of sophisticated men's fashion. If you're on the fence about how to finish off, opt for a pair of chelsea boots. During the colder months, when warmth is key, it can be easy to settle for a less-than-stylish ensemble in the name of practicality. However, this ensemble is a bright example that you can actually stay cozy and remain stylish in the colder months. This pairing suggests how to stay stylish as you pass the big 3-0.