This combination of a navy trenchcoat and charcoal dress pants is a safe option when you need to look incredibly stylish. Serve a little mix-and-match magic by rounding off with grey suede loafers. As you can see, it's super easy to look amazing and stay comfy when chillier weather hits, thanks to this outfit. If you're making your way through your mid-20s, pay attention to combos like this to add more gravitas to your look.