One of the best ways to style out such an essential piece as a waistcoat is to combine it with a white long sleeve shirt. A pair of brown suede derby shoes looks right at home here. An outfit like this will help any mature gent outdo his younger fellows.
A waistcoat and a white long sleeve shirt are a great combo that will get you a ton of attention. If you frequently fret about dressing your age, this outfit is a tested option.
Dapper up for the day in a waistcoat and a white long sleeve shirt. When it comes to shoes, add tan leather double monks to the equation. A great illustration for any gentleman who's not sure how to dress at 50 and beyond.