Features First and only patented removable non-toxic bra cup with 616 pores 50 times more breathable and 20 times more durable than foam bra cups Fuller bust silhouette that looks perfectly natural Wire-free: ultimate freedom (can be worn for 8+ hours) Comfortable and supportive for all kinds of activities Straps & Hooks No back closure: easier to put on Pullover style: wide back for smooth look and feel Wide strap: non-slip, extra support and comfort Details & Fabric Must-have for any woman who prefers healthy breasts No elastic band for ultiamte comfort Sexy lace and classic black and nude (beige) colors Cup: 100% natural cotton (moisture-wicking) Body: 83% nylon and 17% spandex