This pairing of a tan blazer and khaki plaid chinos might pack a punch, but it's extremely easy to replicate too. And if you wish to immediately tone down this getup with a pair of shoes, complement your look with a pair of dark brown leather low top sneakers. As you can see, this is a neat idea for warm weather. Those who wonder how to rock cool off-duty outfits as you navigate your 20s, you have your answer.