Go for a mustard crew-neck sweater and a white dress shirt to create a dressy, but not too dressy look. Finish off with a pair of white canvas low top sneakers to avoid looking too polished. Wear this getup to assemble a more mature look as a 20-year-old gentleman.
Prove that no-one does smart casual men's style like you in a mustard crew-neck sweater and a white dress shirt. A great pair of brown leather derby shoes is the simplest way to infuse an added touch of refinement into this ensemble. Now that's how you do semi-formal as a gentleman in his 20s.
You'll be amazed at how easy it is for any gent to get dressed like this. Just a mustard crew-neck sweater and a white dress shirt. As a 20-year-old guy, you'll love this getup.