When the situation calls for a casually classic ensemble, you can easily rely on a dark green parka and dress pants. If you need to effortlessly bump up your ensemble with one piece, complement this look with black leather derby shoes. A safe bet combo appropriate for 30-something guys.
This combo of a dark green parka and dress pants is a tested option when you need to look casually neat but have zero time. Brown suede tassel loafers are a simple way to inject an added touch of style into this getup. And if we're talking fashion tips for 30-year-old gentlemen, this look is perfect.