You'll be amazed at how very easy it is to get dressed this way. Just a navy suit and a grey sweater vest. Want to go easy on the shoe front? Complement this ensemble with brown leather derby shoes for the day. Can you see how extremely easy it is to look seriously stylish and stay comfortable when fall arrives, all thanks to combinations like this one? Scouting for fashion tips for 20-something gentlemen? This pairing goes straight to your favorites.