vitamin A Bianca One Piece in Black. - size XS (also in ) vitamin A Bianca One Piece in Black. - size XS (also in ) Self: 82% nylon 18% spandexContrast: 92% recycled nylon 8% spandex. Hand wash cold. Halter neck with tie closure. Cut-out accent. Stretch fit. VAMX-WX319. 73M AMB. Designer Amahlia Stevens' innovative fit concept, now a staple in the contemporary swimwear market was dubbed the 'California Cut,' a sexy style that forged a thoroughly modern marriage between the super-skimpy Brazilian and the uber-conservative American cut. Vitamin A never looked so good.