I guess you decided not to get a men's jacket and that's probably the right choice. However, I wear an extra small joe rocket mesh jacket that fits decently enough for someone my size. I don't have much in the way of boobs though so I'm sure that helps. The jacket is also broad in the shoulders for most women. I say go for a women's jacket because you'll end up liking it better 99% of the time.
I don't suffer from insanity. I enjoy every minute of it.