A blue waistcoat and navy dress pants are absolute staples if you're putting together a smart wardrobe that holds to the highest sartorial standards. Infuse some stylish casualness into this look via brogues. This outfit is something 20-something guys can wear with confidence.
Try teaming a blue waistcoat with navy dress pants for a proper refined look. If you want to instantly play down this outfit with a pair of shoes, why not add a pair of brogues to the mix? A good example for those on a mission to adjust their personal style towards maturity.