This pairing of a grey turtleneck and grey chinos is the perfect base for a casually dapper look. Introduce a pair of charcoal leather double monks to the equation to instantly amp up the style factor of this outfit. In the colder months, when functionality is a must, it can be easy to settle for a less-than-stylish getup. But this getup is a practical illustration that you totally can stay warm and remain equally stylish during the colder months. Now that's a look any mature man will like.