Why not wear a trenchcoat and black culottes? These two pieces are very practical and look cool when married together. If you want to easily level up your look with one single item, complete your look with mules.
Trenchcoat with Mules Dressy Warm Weather Outfits
This combination of a trenchcoat and black skinny pants is super easy to pull together in no time flat, helping you look chic and ready for anything without spending a ton of time going through your wardrobe. The whole outfit comes together brilliantly if you add mules to the equation.