Zara Black Button Down Cotton Shirt Oversized

Zara black button down shirt, short sleeve Ladies US small but very big for a small, thought it could be a man's small except for the elastic pleating mid back 2 pocket front, cuff short sleeve, covered button placket, mid back elastic gathering/pleating 24" pit to pit and 35" long 100% cotton Has wrinkles Very long shirt, fits more like a L or XL Could definitely be worn tunic style with legging