The Amoena #282 “A or B” Balance Delta Breast Form balances uneven breasts without pressure on sensitive scar tissue. Recommended for following breast conserving surgery, reconstruction, lumpectomy or uneven breasts. The symmetric triangle shapeshell breast form also features tapered edges. It has a reduced weight silicone back layer integrated with Comfort+ microcapsules that absorb heat during a rise in body temperature and releases the warmth back to the body when the temperature lowers.Remember, this is a thin shell all over. It is not made for women who have had a mastectomy.