vitamin A Neutra One Piece in Black. - size XS (also in ) vitamin A Neutra One Piece in Black. - size XS (also in ) Self: 83% recycled nylon 17% lycra xlite life fiberLining: 92% recycled nylon 8% spandex. Hand wash cold. Elastic stretch fit. Cut-out detail throughout. VAMX-WX216. 50M ECB. 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.