Faux Leather Underbust Corset Underbust corset, Underbust, Faux leather Black Faux Leather Longline Underbust Corset Underbust Buckles Leather Corset Steel Boned Curvy Waist Genuine Black Faux Leather Underbust Corset V2 YOYO. This is a steel boned underbust corset in light brown distressed faux leather with four front buckles and rivet studs across the panel. You lace it up, feel it lock in, and walk out knowing your waist looks like that all night long. The four front buckles are not decorative. They close the corset clean and fast and hold their shape through a full shift. The kind of piece you plan a night around.