Say bye to bumps, spillage & poking wires. This wireless back smoothing bra is supportive & sleek under clothes without squishing. Free of bulky seams & stiff stitches for all-day comfort. Featured in Wirecutter's "The Best, Most Comfortable Bras." More coverage for better back & armhole smoothing Foam cups for shape & nipple coverage + and ++ cup options for a better wireless fit Flexible side boning for support & stability Wear 2 ways - adjustable straps convert to x-back Precise Sizing™ uses the idea of lettered sizing with scaled cup sizes for a better, more comfortable fit. Specially designed to alleviate issues small bands with large cups experience. XS—3X: best for up to C ½ cups XS+—XL+: best for D–E ½ cups XS++—XL++: best for F–G cups Imported Material & Care Nylon, spandex Machine washable or hand wash for best results