For relaxed sophistication with a masculine finish, rock an overcoat with a navy and green long sleeve shirt.
Navy and Green Long Sleeve Shirt with Overcoat Warm Weather Outfits
For an outfit that's extremely easy but can be styled in a myriad of different ways, wear an overcoat and a navy and green long sleeve shirt. You can get a bit experimental on the shoe front and complete this outfit with dark brown leather chelsea boots.