|Jolidon Feel Seamless Underwire Bra (S1945). A customized fit; elevated support; and sleek modern styling define this exceptional seamless molded cup bra. Made of nylon and elastane. Molded stretchy underwire cups give each breast a uniquely tailored fit - a wonderful solution if you're a bit uneven. Interior of cup features bonded lining for an increased level of support. Sewn-on elastic trim at neckline ensures hold. Center - wide; arched center panel is great for high tummies. Seamless microfiber sides have bonded support panels at front and back. Sides have sewn-on elastic at top and bottom edges for fit. Wide-set straps are stretch fabric with sewn-on elastic undersides at front and exposed elastic at back with adjustable plastic hardware. Back secures with a hook-and-eye closure with coated metal hardware. See Fitter's Comments below for hook count. Leotard back helps prevent straps from slipping.