To create an off-duty look with a twist, wear a shirt jacket and a white and navy long sleeve t-shirt. Finishing with a pair of black leather sandals is a simple way to introduce a playful feel to your look. This here is hard proof that you totally can survive the crazy heat and look light and breezy while doing so. As you can see here, as a gent in his 30s, you have a wide range of outfit options.