If the occasion calls for a refined yet killer ensemble, you can easily go for a cable sweater and navy dress pants. Don't know how to finish off? Complete this ensemble with dark brown leather casual boots for a more laid-back aesthetic. During the colder months, when warmth is top priority, it can be easy to surrender to a less-than-stylish look in the name of practicality. This look, however, is a striking example that you can actually stay snug and remain stylish in the colder months.