Try teaming a shirt jacket with navy jeans for a straightforward look that's also pulled together. If you're hesitant about how to round off, a pair of casual boots is a good option. This combination illustrates how to kill it in casual dressing as a 20-year-old gentleman.
A shirt jacket and black denim overalls are a smart combo worth integrating into your current casual routine. Complete your outfit with casual boots to immediately turn up the wow factor of any outfit. Perfect to portray that even as a 20-something gent you're confident enough to hold your own in the outfit department.