vitamin A Cosmo Bikini Top in Blue. - size XS (also in L, M, S) vitamin A Cosmo Bikini Top in Blue. - size XS (also in L, M, S) Self: 84% recycled nylon 16% nylon Lining: 83% recycled nylon 17% lycra. Made in USA. Hand wash. Neck and back tie closure. Removable padded cups. O ring detail. Item not sold as a set. VAMX-WX719. 6138607. 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.