77% nylon, 23% lycraUltra soft contour cupsHook and eye back closureHand wash, hang to dryImported Lightweight microfiber fabric won't cling to clothing Racerback design is great for tank tops Seamless stretch foam inner cups Underwire support Comfort elastic bra band Logo elastic adjustable straps Sleek stretch microfiber wings Front closure helps lift and support Built for a perfect fit on the body Coverage level 2--effortless coverage, perfect for everyday  Calvin Klein Perfectly Fit Racer Back Bra technical details: 1/2 inch bra straps Side wings taper from 3 1/2 inches to 2 1/4 inch Front closure Tagless design Â! The Calvin Klein Perfectly Fit Racer Back...