A brown parka and skinny jeans are the kind of casual must-haves that you can wear for years to come. Introduce a pair of dark brown leather brogues to the mix to easily rev up the style factor of this look. So when summer is over and autumn is in the air, this look is likely to become your uniform. And if we're talking casualwear for 30-something Millennial gentlemen, this combo looks great on almost any gent.