Putting together a denim jacket with charcoal wool chinos is an on-point idea for an off-duty ensemble. Finishing with black casual boots is a guaranteed way to introduce some extra fanciness to your ensemble. As you're progressing through your late 20s, you want to start dressing more professionally. In this case, getups like this are a surefire option.
Black Casual Boots with Denim Jacket Smart Casual Cold Weather Outfits For Men In Their 20s
To put together a casual menswear style with a fashionable spin, you can rely on a denim jacket and blue jeans. Black casual boots will breathe an air of elegance into an otherwise everyday ensemble. Smart looks for stylish 20-year-old gentlemen aren't actually that hard, as you see here.
A denim jacket and black chinos are both versatile menswear staples that will integrate perfectly within your current styling lineup. Complement this outfit with black casual boots to immediately dial up the classy factor of your ensemble. All in all, semi-formal and mature enough for a young gentleman.