Contrast piping along a one piece swimsuit, bikini top or bikini bottom makes it a good swimsuit for doing mix and match. This one piece can be paired with a black top or beach cover up and look very put together. If you got the bikini version of this, you could couple the gold and black top with a plain bikini bottom for a bottom slenderizing effect. Dark colors tend to hide flaws. Choose the darker color to be in the area that needs help. The black piping here stand out and would draw attention away from skin flaws such as stretch marks. The black edges give a great body framing effect to the swimsuit.
This swimsuit is from American Apparel. Their lame gold and black color combination is quite popular as they have leggings, mine-dresses, bikinis and this one piece followint the gold lame with black pipting them.