The double-breasted suit has 4 and 6-button options in a box pattern designed to wrap the two sides of the jacket over the torso. While the lapels of the two options are interchangeable ...

A double-breasted jacket features two overlapping buttons which cross at the front. “Double-breasted [suits are] made in ...

The best double ... buttons. Like the single-breasted blazer—which in its most classic form comes with gold buttons and a crest on the breast pocket—the DB is not typically part of a suit ...