Multi-part, unlined (unpadded) underwire cup is sheer non-stretch lace with integrated side support panel for added lift. Cup has fine mesh lining for comfort and less show-through. Upper cup panel is tulle, with a bonded stretch band at top edge. Angled and vertical cup seaming shapes full busts beautifully. Plunge neckline shows off your cleavage. Center - arched panel has a goldtone metal charm. Covered elastic band along bottom front maintains fit. Sides and back are tulle, with soft supportive knit lining so they'll lie smooth and flat. Sewn-on elastic at top and covered elastic at bottom of sides and back for a comfortable, secure fit. Wide-set, restricted stretch straps are soft exposed elastic with feathered edges for better shape retention. Adjustable coated metal hardware at back of straps for fit adjustment. J-hook hardware brings straps together into an instant racerback. Sleek hook-and-eye closure at back with coated metal hardware. Designed in France.