Lightweight silicone breast form 342N, symmetrical shape, average cup fit, 25% lighter than standard weight breast form Soft three-dimensional pearl surface plus the addition of air-flow channels on the back, to maximize ventilation and help the skin breathe behind the form Comfort+ temperature-equalizing material integrated into the reduced weight silicone helps to reduce perspiration behind the form during a rise in body temperature 30 percent more comfort+ than other Amoena breast forms with comfort+ Ideal for women who perspire due to regular exercise, as a result of medical treatment or during menopause,100 percent Silicone