For an ensemble that's stylish and gasp-worthy, consider pairing a waistcoat with brown chinos. Complement this outfit with a pair of black leather derby shoes and you're all done and looking boss. As we all know, the key to getting through the hottest time of year is sporting light and breezy ensembles like this one. So if you need outfit inspiration for dressing in your forties, this outfit is definitely worth saving for later.