This ensemble with a long sleeve shirt and black skinny jeans isn't super hard to pull off and is easy to change. Serve a little mix-and-match magic by slipping into black monks. In the winter months, when warmth is critical, it can be easy to surrender to a less-than-stylish getup. However, this getup is a stark illustration that you can actually stay toasty and remain stylish at the same time in the winter months.