Make a mint long sleeve shirt and a crew-neck t-shirt your outfit choice to achieve a casually cool outfit. Rounding off with dark brown leather sandals is a surefire way to bring a laid-back vibe to your outfit. Now that's an outfit that's bound to make you stand out among other 30-something Millennial guys.
You'll be amazed at how easy it is for any gent to get dressed this way. Just a mint long sleeve shirt and a crew-neck t-shirt. A pair of olive suede work boots will immediately dial down an all-too-dressy look. Men wondering how to rock modern casual outfits in your 30s, this combo should answer your question.