A grey sweatshirt and jeans are the kind of a tested casual ensemble that you so terribly need when you have no extra time. Go ahead and introduce dark brown suede work boots to your outfit for a more casual feel. In the colder months, when functionality is above all, it can be easy to settle for a less-than-stylish look in the name of practicality. However, this look is a clear example that you totally can stay comfy and remain equally stylish during the colder months.