A corset or lingerie item features and improved dual level tightening system which allows a wearer to apply the corset or lingerie item without the assistance of another person by the inclusion of a rear cinching, dual level improved tightening system that operates to tighten the corset or lingerie item around the lower torso from the front of the garment, adjusted by the wearer to a suitable level of comfort level determined by the wearer, the dual level tightening system providing lower torso support and a slenderizing effect while not restricting general lumbar movement and flexibility.