Consider wearing an olive waistcoat and navy jeans to look sleek and classic. For something more on the casually cool end to round off your outfit, complement your ensemble with dark brown leather casual boots. As a 30-something gentleman, you probably want to start dressing like an adult man. In this case, inspo like this comes in very handy.
Olive Waistcoat with Dark Brown Leather Casual Boots Outfits In Their 30s
This combination of an olive waistcoat and olive wool dress pants couldn't possibly come across as anything other than seriously stylish and elegant. You can get a bit experimental with shoes and dial down this look by rocking a pair of dark brown leather casual boots. So if you need fashion inspiration for dressing as you slip into your 30s, this outfit is an amazing example.