Integrated air chamber technology allows individual adjustment by simply adding or releasing air using the pump device included ADJUST TO PERFECTION - A non-surgical solution for women experiencing asymmetry after a lumpectomy (breast conserving surgery), reconstruction, multiple biopsies, and even naturally. Balance Adapt Air Special Varia (SV) is our most innovative partial shaper yet. It’s designed with an air chamber that makes it easy to adjust the shaper so it meets your needs. Simply use the pump to fine-tune the fit and volume of the shaper until it suits the unique contours of your chest wall and sits comfortably against your skin.