Self: 38% polyester, 31% spandex, 31% nylonLining 1: 79% nylon, 21% spandexLining 2: 88% polyester, 12% spandexGusset: 100% cotton Machine wash cold Built-in underwire bra Back hook and eye closure Adjustable shoulder straps Stretch activewear fabric Made in Vietnam Our Style No. NSKF-WC3 Manufacturer Style No. IV6687 Model is wearing size S. of this item.