As you can see, it doesn't take that much work for a man to look on-trend. Consider pairing a tan blazer with navy chinos and you'll look amazing. If you want to effortlessly rev up this ensemble with one piece, introduce a pair of dark brown leather derby shoes to your outfit. A knockout combination like this one is just what you need when summer days set in. How's that for style inspo for dressing in your 40s?