Seamless, enhancing cups and convertible straps are just two reasons why we love Calvin Klein Underwear's black stretch-satin bra. Perfect beneath tight-fitting tops or shirts, it can be easily be adjusted to suit racer-back styles. Complete the set with the matching briefs. -- Black stretch-satin - Underwired, lightly padded cups - Adjustable convertible straps, sheer stretch wings, picot trims - Double hook fastenings at back - 76% nylon, 24% elastane; wings: 68% nylon, 32% elastane - Hand wash