Studio I Women's Black Button Down long Blazer Jacket Size Med? Very nice

No material or size tag, so please see measurements below. Very nice condition, I see one thread snag, also in photos. Faux pockets, button down. Assuming size Medium, assuming polyester/nylon blend. Nice long blazer. Black. Front v-neck - first button down to bottom: 28 inches Back neck to bottom: 36 inches Underarm to underarm: 20 across Sleeve length: 26 inches