One wallet-friendly pick is the Nautica men's bi-stretch suit. This set features both a fully-lined jacket and flat front-lined pants and is currently on sale for just $129.99—an incredible $265.01 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Waistcoats, or suit vests, are probably one trend you haven't been able to escape—either on IG or IRL.