This Bra made with silk blended with a small amount of Spandex for durability and flexibility. . This 3/4 cup bra is the perfect mix of style & comfort for days when you want a little more luxury - when it comes to treating yourself, there's no substitute for silk. Wireless & tailored with seams that sit comfortably without pinching or digging in.Classic cut with adjustable straps for a better fit.