This combo of a charcoal turtleneck and a long sleeve shirt is very easy to do and so comfortable to rock as well! Add black suede chelsea boots to the mix for an instant dressy look. So if you're in search of a good-looking and mature combo for a 20-something man, this just might be it.
If you prefer laid-back combos, then you'll appreciate this combination of a charcoal turtleneck and a long sleeve shirt. Dark brown leather desert boots are a wonderful idea to finish this outfit. Those who wonder how to wear smart casual outfits as you progress through your 20s, this getup should answer your question.