Pair a grey hoodie with navy chinos for a casual and cool and trendy getup. Clueless about how to complete this ensemble? Rock casual boots to bump up the style factor. During the colder months, when warmth is paramount, it can be easy to surrender to a less-than-stylish look in the name of functionality. This look, however, is a clear example that you can actually stay toasty and remain equally stylish during the colder months.