This is the OG   BAMBOO ™   bra and it never goes out of style! Racerback, pull-on style Lined but not padded. Great for lounging and everyday wear. This classic is soft, breathable, and ultra comfortable, but it's not ideal for high-impact sports. Made with our signature fabric that's 4 times softer than cotton! Composition: 95% bamboo viscose - 5% spandex *Delivery times for Bamboo Underwear products may vary between 5 to 10 business days.