When it comes to laid-back refinement, this pairing of a navy blazer and dark green chinos doesn't disappoint. Get a little creative when it comes to shoes and spruce up your look with a pair of black leather loafers. A neat getup like this one is just what you need come hot summer days. As you're moving through your teenage years, you probably want to look older than your age. In this case, combinations like this are a real life saver.