If the situation allows an off-duty outfit, make a beige linen short sleeve shirt and chinos your outfit choice. Complete your outfit with brown desert boots and you're all done and looking spectacular. Off-duty ensembles for stylish 20-something gentlemen aren't actually that hard, as you can see.
Try teaming a blue harrington jacket with chinos to pull together a truly stylish and modern-looking casual outfit. Brown desert boots pull the getup together. As you're transitioning from your 20s to your 30s, you want to start dressing like a grown man. If that's the case, looks like this are perfect as inspiration.
If it's ease and practicality that you appreciate in menswear, wear an olive corduroy long sleeve shirt with chinos. For extra fashion points, complete this ensemble with brown desert boots. As a 20-year-old moving into your 30s, you'll appreciate this combination.
If you're in search of an off-duty and at the same time on-trend outfit, try teaming an olive field jacket with chinos. When not sure about what to wear on the shoe front, enter a pair of brown desert boots into the equation. If you worry about dressing more maturely, this combo is a never-failing option.
This combination of a navy vertical striped double breasted blazer and chinos is truly a statement-maker. A pair of brown desert boots will bring a mellow vibe to this outfit. Overall, a good demonstration of semi-casual style for 20-something gents.