For a casually cool look, try pairing a white and black short sleeve shirt with jeans — these two items play really well together. White and navy athletic shoes are guaranteed to bring a touch of stylish casualness to this ensemble. This combo is hard proof 40-year-old guys can very well slay in the style department.
Fashionable and practical, this off-duty pairing of a white and black short sleeve shirt and jeans provides a multitude of styling opportunities. To add some extra flair to this ensemble, add grey suede brogues to this outfit. A practical example for any guy who's still figuring out how to dress as a 40-year-old gent.
Why not dress in a white and black short sleeve shirt and jeans? As well as super practical, these items look cool paired together. A pair of black leather casual boots easily turns up the fashion factor of any outfit. This combination demonstrates that after 40 your sartorial options are looking good.
If you don't like spending too much time on your combos, pair a white and black short sleeve shirt with jeans. As you can see here, in your 40s your outfit options are pretty much limitless.