For a look that's very straightforward but can be modified in a multitude of different ways, wear a grey coat with black leggings. Introduce white low top sneakers to your ensemble and off you go looking wonderful.
Black Leggings with White Low Top Sneakers Casual Cold Weather Outfits
Why not team a camel coat with black leggings? Both items are super comfy and look fabulous worn together. Introduce white low top sneakers to the equation and you're all set looking smashing.