A dark brown corduroy waistcoat and grey chinos are a sophisticated combo that every dapper gent should have in his closet. Complement your outfit with brown suede derby shoes and you're all done and looking smashing. So as you can see, it's a knockout, not to mention spring-appropriate, combo to keep in your transitional sartorial arsenal. So if you're after a nice and age-appropriate combo, this just might be it.