Wonderbra has ensured the deepest of plunging necklines get the ultimate push-up effect! The Wonderbra Ultimate Plunge push-up bra leaves you free to flaunt your curves with real underwired support. The U-shaped front is a true wardrobe essential and it has fully adjustable straps that can be used crossed over and as a halterneck. The back is made not to look like the back of a bra so it can be worn to blend in with backless dresses.