Wear a blue denim jacket with olive cargo pants to put together a really dapper and modern-looking off-duty outfit. High top sneakers are an effective way to inject a touch of stylish casualness into your outfit. This combination illustrates how young gentlemen wow in the fashion department.
If you're a fan of classic pairings, then you'll appreciate this pairing of a blue denim jacket and grey sweatpants. Not sure how to finish off? Introduce a pair of high top sneakers to the mix for a more laid-back touch. All in all, a good demonstration of laid-back style for gentlemen in their thirties.