New without bag. The Ultimate Demi's built-in shelf and sling construction work together to lift and separate the breasts painlessly—no more uniboob, and no more painful underwire! A bonded back panel supports the shoulders and upper back to keep you comfortable all day. Ultimate Demi's built-in shelf and sling construction work together to lift and separate the breasts painlessly—no more uniboob, and no more painful underwire! A bonded back panel supports the shoulders and upper back to keep you comfortable all day.