The underwire lining is of silicone to better adhere to the body. A set of straps lets you create different styles and adapt the bra to your own needs with six possible modifications, all as regular bra, regular bra with low back, strapless bandeau bra, strapless bandeau bra with low back, halter style bra, halter style bra with low back. Also provided is a set of transparent Framilon straps, except for those on the sides, to create an invisible effect underneath clothing.