Modern look and comfort combine with a highly breathable body and cups. Lightweight knits also improve comfort and help bra go unseen under clothing. Contour/t-shirt underwire cup has very light, thin spacer foam padding that delivers breathability, comfort, and invisibility under clothing. Neckline gives you full coverage with a non-stretch edge and V-shape for wear under low-cut tops. Larger sizes have self-lined, mesh side support panels for centering. Bonded microfiber underband along outer front edge helps sustain fit. Center - high, arched panel is 2 layers of tulle with a free-cut underside. Straight sides and back are supportive stretch tulle for 360 degrees of breathable comfort. Microfiber bands are bonded onto upper and lower outer edges of sides and back to sustain fit. Wide straps have very little stretch with a silky feel and can fully adjust at back with coated metal hardware. Straps convert into a crossback. Hook-and-eye closure at back has a plush feel and secures with goldtone metal hardware. See Fitter's Comments below for hook count.