Rock a dress shirt with navy jeans to don a neat and classy menswear style. Hesitant about how to round off? Complete this ensemble with a pair of red desert boots to mix things up. If you're on the hunt for a summer-friendly outfit, this one is a savvy option. As a 30-year-old guy, you want to start dressing more like a mature gentleman. If that's the case, inspiration like this proves very useful.