For an outfit that's city-style-worthy and effortlessly sleek, consider wearing a tobacco overcoat and a blue turtleneck. If you wish to instantly dress down your getup with a pair of shoes, why not add brown leather work boots to the equation? As this look is a clear example winter doesn't have to mean dressing like a yeti bounty hunter. This look is probably exactly what you're looking for as a 20-year-old gent.