A beige trenchcoat and jeans are a great pairing that will get you a ton of attention. Introduce a pair of dark brown chelsea boots to the equation for a sense of class.
Dark Brown Chelsea Boots with Jeans Dressy Chill Weather Outfits For Men
For an outfit that's smart casual and GQ-worthy, rock a tan trenchcoat with jeans. Go down a more elegant route in the shoe department by wearing dark brown chelsea boots.