“A B Studio” sweater, swing style, 1 button close, New, size M

AB Studio, black, swing style, 1 button front close, size M. Uneven 1 button close (one lapel-= 8.5", the other = 10.5") and hem (longest points are on each side of the sweater). Fabric: 60% polyester, 29% rayon, 3% spandex. Measurements (approximate): Neck (all around)=23", chest (laid flat and full, across front)=29.5", shoulder seam=3.5", inside sleeve=19", front length (button to bottom)=12" (from shoulder seam to longest point on sides)=31", back length= 27". New condition, I have never worn it. Thanks!