Already the most loved tank, made from our ultra-soft stretch bamboo viscose fabric, our new Women’s Racer Back Tank is made of 70% viscose from bamboo, 20% certified organic cotton, and 10% spandex. Our azo-free fiber reactive dyes result in extremely colorfast, beautifully saturated, long lasting colors. Available in Black, White, Macaw Green, and Scarlet. Designed in California, made in China. ET-RBT $23 Small, Medium, Large and Extra Large.