This combo of a charcoal waistcoat and a charcoal suit is a goofproof option when you need to look classy and truly stylish. And it's a wonder how a pair of black leather derby shoes can shake up a look. Can you see how very easy it is to look seriously stylish and stay toasty when colder weather arrives, all thanks to combinations like this? A good combination to make you a sharp 20-year-old, rather than just a 20-year-old.