Elegant black spaghetti strap dance leotard with a fitted bodice v-neck and flowing skirt. Bra area is lined with soft jersey knit fabric. Crafted for a flattering silhouette and comfortable wear. Size readsMM. After consulting many entities for more information, AI suggested it may be vintage as Baryshnikov designed this and DuPont did not produce the moisture wicking fabric until the 80’s and possibly 90’s. Pit to pit is 15” waist is 20” length is 19” from front neckline to crotch. Crotch is sewn so no snaps or zipper. Hand wash, drip dry, NO ironiron. Unknown if this is for a small adult or youth. aI suggested it may mean MM for size and length. ?