This combo of a parka and black skinny jeans is proof that a straightforward off-duty ensemble doesn't have to be boring. To give this look a classier feel, introduce dark brown suede casual boots to the equation. During the winter months, when comfort is paramount, it can be easy to settle for a less-than-stylish ensemble. However, this ensemble is a shining example that you can actually stay cozy and remain stylish in the winter months. This outfit suggests how to keep scoring in casual dressing as a guy in his 30s.