Pairing a charcoal waistcoat and a navy suit is a guaranteed way to inject an elegant touch into your wardrobe. You could perhaps get a bit experimental in the footwear department and complement your getup with brogues. This look is probably what you're looking for as a gent over 40.
Charcoal Waistcoat with Brogues Outfits After 40
For a look that's polished and truly gasp-worthy, consider pairing a charcoal waistcoat with grey dress pants. Finishing with brogues is an easy way to add a mellow feel to this outfit. All in all, a fail-safe option when it comes to dressing in your 40s.