The thing that is throwing me off is the dorsal stripe down her back. She may just be a buckskin that has a prominent sooty modifier that is creating a stripe, I don't know. I am a long way from an expert on colors and modifiers and all that.
As for the toeing out. That means that her hocks are a little close together and that her feet angle out to the sides.
Ideally, a horse should be in a straight line from hips to the center of the feet like this
But when a horse toes out (also called cow-hocked), their back legs look like this.
If you would like to learn more about conformation, here is a site with lots of good information.
FAQ Conformation Index