For a casually smart ensemble, consider pairing a brown check double breasted blazer with white chinos — these two items play nicely together. And if you wish to immediately smarten up this outfit with one single piece, complete this look with a pair of dark brown leather brogues. It's is an appealing idea when it comes to a killer ensemble that transitions easily into fall. As you're maturing from your 20s to your 30s, you probably want to start dressing in a classier manner. In this case, looks like this prove useful as a source of inspiration.