A navy blazer and white jeans are absolute wardrobe heroes if you're piecing together a semi-casual closet that matches up to the highest sartorial standards. In the shoe department, go for something on the more elegant end of the spectrum and finish this outfit with a pair of black leather derby shoes. As days are getting cooler, you'll discover that a look like this is perfect for fall. Rock this getup to show your maturity as a young man.