This is because it features flexible underwire support, as well as a mesh underband that holds the bra in place Constructed from a beautiful, stretchy lace that is designed to shape and lift, this bra includes details such as scalloped lace edges, and a tulle and crystal bow Customize this bra to your perfect size, thanks to the fully adjustable straps and hook and eye closure! 79% Nylon, 21% Spandex Hand wash in warm water with like colors Hang or lay flat to dry