Here, the laid-back and cool style translates to a charcoal blazer and a polo. During the colder months, when warmth is essential, it can be easy to settle for a less-than-stylish outfit. This outfit, however, is a good illustration that you totally can stay warm and remain equally stylish in the colder months. A good ensemble to make you a sharp man in his 30s, rather than just a man in his 30s.