If you're looking for an off-duty and at the same time seriously stylish outfit, pair a parka with white chinos. When in doubt about what to wear in the footwear department, go with white low top sneakers.
White Low Top Sneakers with Parka Relaxed Outfits For Women In Their 20s
For an ensemble that's pared-down but can be modified in a myriad of different ways, choose a parka and light blue ripped skinny jeans. A pair of white low top sneakers finishes this outfit very well.