Demonstrate your styling game by pairing a navy overcoat and dark brown chinos. Want to dial it up with shoes? Complement this outfit with brown leather loafers. During the winter months, when practicality is essential, it can be easy to surrender to a less-than-stylish outfit. However, this outfit is a bright example that you totally can stay comfy and remain equally stylish during the winter months. All in all, a nice pick if we're talking style tips for 40-year-old guys.