J Crew Vintage rib shelf-bra tank top, grey, XS. Fabulous condition, only worn twice. curved hem for maximum comfort and style. Plus, it is made with vintage rib, our lightweight cotton blend inspired by easy styles of the '70s, with a very soft feel and just a hint of stretch. Smoke-free home. 57% cotton/38% Modal® rayon/5% elastane. Machine wash. Import. Item BQ897.