A navy blazer and a blue dress shirt are a polished outfit that every smart gent should have in his wardrobe. A pair of brown leather desert boots will give a playful vibe to your outfit. So as you can see, it's an on-trend, not to mention spring-friendly, look to have in your seasonal wardrobe. So if you're looking for fashion tips on how to dress in your 20s, this pairing is a great example.