This ensemble with a trenchcoat and a navy midi skirt isn't a hard one to pull off and easy to adapt. If you're clueless about how to round off, add a pair of dark green pumps to your outfit.
Dark Green Pumps with Trenchcoat Outfits In Their 30s
For something more on the casual and cool end, try this pairing of a trenchcoat and navy skinny jeans. For extra fashion points, add a pair of dark green pumps to the equation.