For a tested semi-casual option, you can always rely on this pairing of a trenchcoat and navy jeans. Add a modern twist to an otherwise traditional getup by finishing with a pair of silver low top sneakers.
Silver Low Top Sneakers with Trenchcoat Smart Casual Warm Weather Outfits For Men
A trenchcoat and white dress pants are essential in any guy's wardrobe. You could perhaps get a bit experimental when it comes to shoes and add a pair of silver low top sneakers to this ensemble.