Exquisite Form 5100532 Wireless Original Full Support Bra White 42D Wire-free comfort is yours with this mostly non-stretch bra, giving average and plus size women alike the everyday support they need. Padded straps give added relief. Made of polyester, cotton, nylon and spandex. Wireless, multi-part cup is unlined (unpadded), non-stretch fabric for support and shape with stretch mesh panels at neckline and underside for movement and fit. Transversal and vertical cup seaming shapes full busts. Sewn-on elastic underband has a soft interior and hugs close to the body. Center panel - tall and wide, arched for high tummy comfort. Non-stretch sides and back have sewn-on elastic at bottom edge for "give." Front straps are bonded, non-stretch fabric that adjust with plastic hardware, and restricted stretch elastic at back has feathered edges. Sliding, movable shoulder pads help relieve stress. Hook-and-eye back closure has coated metal hardware, with restricted stretch elastic bands at sides for a more flexible fit. See Fitter's Comments below for hook count.