Amoena Full Figure Soft Cup Nylon Ava is a soft fiberfill cup mastectomy bra with an M frame design for women with a fuller figure. This prosthetic bra features a leotard back for a close comfortable fit plus rigid straps and elastic cup frame for added support. Full fit. Ava is a soft fiberfill cup mastectomy bra with an M frame design for women with a fuller figure. This prosthetic bra features a leotard back for a close comfortable fit plus rigid straps and elastic cup frame for added support. Full fit. Material: 45% nylon, 43% polyester, 12% spandex.