Prove that nobody does classic and casual men's fashion quite like you do by wearing a red dress shirt and blue jeans. To add a little zing to your ensemble, add derby shoes to this outfit. During the winter months, when warmth is above all, it can be easy to surrender to a less-than-stylish ensemble in the name of functionality. However, this ensemble is a striking example that you can actually stay warm and remain stylish during the winter months.