This is solid proof that a navy waistcoat and navy dress pants look awesome when paired together in a polished outfit for today's gentleman. And if you want to effortlessly dress down your ensemble with a pair of shoes, why not make burgundy leather derby shoes your footwear choice? Rest assured, this getup will keep you snug as well as looking stylish in this in-between weather. And if we're talking fashion tips for mature gentlemen, this look is ideal.