Champion Sport No Poke Wire Bra Womens nylon bras closure Patented spring-tipped wire helps prevent painful poke-through. (Tiny spring gives when you move for no-poke flexibility.) Four soft layers surround each wire for ultra-cushioned comfort. Molded 2-ply cups give shapely support without show-through. Silky fabric wicks away moisture to keep you cool and dry. Breathable power-mesh sides stretch for flawless fit. Wide cushioned straps help stabilize bust while easing stress on shoulders. (Straps adjust in back...convert in seconds to crisscross.) Tag-free, with plush-lined hook-&amp;-eye close.Nylon/polyester/spandex