We're loving the way this combo of a white cable sweater and charcoal wool dress pants instantly makes a man look stylish and classy. Add desert boots to your look to keep the look fresh. When temps are getting lower and fall is in the air, you'll love this outfit as your go-to for summer-to-fall weather. So if you're scouting for a good-looking yet age-appropriate getup for a 20-year-old gent, this one fits the task well.