This pairing of a brown short sleeve shirt and a white crew-neck t-shirt is definitive proof that a straightforward off-duty look can still be incredibly stylish. Clueless about how to finish off this getup? Rock black leather derby shoes to turn up the classy factor. As you know, the key to getting through the hottest time of year is opting for easy and breezy outfits like this one. A great pairing as you transition into your twenties.