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 shape shell 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.