DIAM'S Action FERMETÉ bra from DIM. Halter-neck style with underwiring. The first bra to bring lasting improvements to the natural firmness of the bust without constricting, with no effort & no chemical action, within 28 days*. Underwired bra. 74% polyamide, 26% elastane.A fabulous figure day after day, firmer & softer skin thanks to the ‘ Textile Actif’ [‘ Active Textile’] technology, an innovative material that promotes microcirculation of the blood & can be washed any number of times. * Test conducted in July 2012 by an independent laboratory measuring the skin elasticity of 22 women (aged between 35 & 60). Each woman wore the DIAM’s Action Fermeté bra for a minimum of 12 consecutive hours over a period of 28 days. Results may vary depending on an individual’s weight & body size.