One of the most popular ways for a man to style a mint print crew-neck t-shirt is to pair it with khaki chinos in a laid-back outfit. Introduce a pair of brown leather boat shoes to the mix to immediately kick up the style factor of your outfit. There are plenty of ways to look nice and live through the heatwave, and that's one of them. Think middle-aged gents can't pull off edgy casual style? This combination is definitive proof of otherwise.