For a goofproof casual option, you can rely on this combination of a grey coat and blue jeans.
Blue Jeans with Grey Coat Smart Casual Cold Weather Outfits For Women In Their 20s
Wear a grey coat with blue jeans for an effortless kind of refinement. Complement your getup with black leather loafers to pull the whole thing together.
Why not consider wearing a grey coat and blue jeans? As well as very comfy, both pieces look good teamed together. Black suede over the knee boots will tie your full outfit together.