For a casually stylish ensemble, opt for a navy crew-neck t-shirt and dress pants — these pieces fit really good together. Don't know how to finish off your outfit? Finish with brown leather loafers to amp up the style factor. It is actually possible to remain fresh and pulled-together under the crazy heat, and this outfit is hard proof of just that As you're getting to your 30s, you want to start dressing in a classier manner. If that's the case, ensembles like this come in handy.