When the setting permits a laid-back outfit, you can easily go for a white v-neck t-shirt and navy skinny jeans. And if you wish to effortlessly perk up this outfit with shoes, why not complete this outfit with a pair of brown leather casual boots? One actually can look light and breezy under the crazy heat. The proof is right here And if we're talking casual fashion for 30-something Millennial men, this look looks cool on most gentlemen.