vitamin A Sienna Tank in White. - size M (also in XS) vitamin A Sienna Tank in White. - size M (also in XS) Self & Lining: 83% recycled nylon 17% lycra spandex. Hand wash cold. Ribbed stretch fabric. Made in USA. VAMX-WX441. 809T ERW. 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.