If you don't like trying too hard combinations, consider teaming a coat with a charcoal oversized sweater. Bump up your look with a pair of white leather low top sneakers.
Charcoal Oversized Sweater with Coat Relaxed Outfits In Their 30s
This combo of a coat and a charcoal oversized sweater combines comfort and utility and helps you keep it clean yet current. Black leather chelsea boots are exactly the right choice here.