If you prefer casual getups, why not take this combo of a black long sleeve t-shirt and navy jeans for a walk? To bring a bit of fanciness to your look, complete your outfit with black canvas espadrilles. This outfit is a surefire option if you're looking for a great, summer-appropriate outfit. Think it's hard for over-40 guys to master cool off-duty outfits? This combination is irrefutable proof of otherwise.