Free People We the Free Black Velvet Vest tagged size Medium but runs very Small

Free People Black Velvet Vest from We the Free Purchased online but too Small Size Medium but runs more like a X- Small to Small see measurements in pics or feel free to ask questions No stretch-pit to pit approx. 14” Length approx. 19” I am a 36 B and could not button across my chest so probably fits best 32- A/B cup? Feel free to ask questions