To look like a perfect gentleman at all times, wear a grey waistcoat with a black suit. Ramp up your outfit by finishing with a pair of grey athletic shoes.
Grey Waistcoat with Grey Athletic Shoes Outfits
This is definitive proof that a grey waistcoat and charcoal wool dress pants look awesome if you wear them together in a polished getup for today's guy. For times when this look appears all-too-fancy, dress it down by slipping into a pair of grey athletic shoes.