For an outfit that's worthy of a modern style-savvy gent and casually refined, go for a navy trenchcoat and a polo. Make your outfit a bit sleeker by rounding off with a pair of black suede loafers.
Navy Trenchcoat with Polo Dressy Warm Weather Outfits For Men
A navy trenchcoat and a polo paired together are a great match. With shoes, take the classic route with a pair of black suede loafers.