This sophisticated combo of a double breasted blazer and a crew-neck sweater is a must-try ensemble for any modern man. Introduce a pair of brown leather casual boots to the mix to easily kick up the style factor of this ensemble. In the winter months, when warmth is critical, it can be easy to surrender to a less-than-stylish ensemble. But this ensemble is a good illustration that you totally can stay comfortable and remain stylish during the winter months.