Pair a waistcoat with white chinos to look sophisticated but not too formal. You could perhaps get a little creative with footwear and add a pair of grey desert boots to this outfit.
Grey Desert Boots with Waistcoat Outfits
A waistcoat and navy jeans are absolute must-haves if you're figuring out a dapper closet that matches up to the highest sartorial standards. Avoid looking too formal by rounding off with a pair of grey desert boots.