TOPSHOP red tank top loose fit blouse back has full exposed zipper size 6 US

Topshop red tank top size 6 US armpit to armpit: 18" length: 23" -loose fit flowy sleeveless blouse -relaxed style swingy round hem -back has full exposed functional black with gold zipper detail -poly fabric (no stretch) note: small flaw on lower back left. last 2 pictures show the location and then the close up detail of it