This elegant combo of a grey dress shirt and navy dress pants is a must-try ensemble for any modern guy. Rounding off with black leather derby shoes is a guaranteed way to bring a more laid-back spin to this outfit. Keep this look in mind when spring sets it, and rest assured, you'll save a ton of time racking your brain for an ensemble on more than one occasion. Outfit inspiration like this will help you remain amazingly stylish way into your 40s.