The New BCBGeneration Tie Back Button Down Tank Top (Optic White) Women's Sleeveless, female, Apparel , Top , Sleeveless, XS (US 2), true, Sometimes it's the little details that make the outfit. Accomplish this look with the BCBGeneration Tie Back Button Down Tank Top. Soft rayon construction. Folded collar. Front button closure. Back tie for added appeal. 100% rayon. Machine wash dry flat. Imported. Measurements: Length: 32 in Product measurements were taken using size SM (US 4-6). Please note that measurements may vary by size.