A crew-neck t-shirt and navy chinos will infuse serious style into your current casual routine. Want to play it down in the footwear department? Add a pair of brown athletic shoes to the equation for the day. If it's one of those dull fall afternoons, what better to brighten things up than a dapper look like this one? Laid-back combinations for 50-something gentlemen aren't actually that hard, as you can see here.