Putting together a white polo and dark green plaid dress pants is a fail-safe way to inject style into your styling collection. You could perhaps get a little creative when it comes to footwear and elevate your ensemble by slipping into brown leather loafers. Keep this getup ready to go when warmer days are here, and rest assured, you'll save time trying to pick out what to wear on more than one morning. This ensemble demonstrates that figuring out how to dress stylishly at 30 is not that daunting a task.