Multi-part. full coverage stretch lace cup is lined and has a full inner support sling for added lift. Elastic at top cup edge gives a better fit. Tall under band gives great support and stability to cups. Restricted stretch, wide elastic straps adjust in back with coated metal hardware. Tall side seams have boning for added support. Taller back offers smoothing to help minimize back fat. Back coated metal hook-and-eye closure, see Fitter's Comments below for hook count.