All mastectomy suits have higher neckline/ armholes/ and pockets for your breast forms. All styles except Tankini and Separates have a special nylon tummy control panel to support and slim. Nylon with spandex for extra shaping. These suits also fit very large breasted women who have not had mastectomies. Because of high underarm and extra support, up to an F cup will fit into this suit with superior lift.