I don’t know why you say the coat is “man tailored”. It’s clearly a woman’s coat to my eye. I haven’t seen buttons like that nor sewn belt on a man’s winter coat. What’s with the pocketflapwings above the slash pockets?
The coat looks good because it fits well in the shoulders and sleeves. Maybe not so good in the waist.
The cap….(I can’t tell if it’s an ascot or newsboy) looks great because it’s not girly and it matches the shirt. The cap a good size for her head and the brim has a good shape.
Excellent photo because the grey brick wall, the salt and pepper coat, white sleeves & cap go monochromatic so the eye goes to to the lovely color of her skin.
The coat could be a ready to wear DIOR because of the tailoring. It definitely fits. I have a jacket with a high waist like that and it is a woman’s jacket. The color scheme is perfect; the contrast of the dark brick wall makes the woman and her outfit stand out. Great photo.