What size is this coat?

It is labeled XS. The listed measurements are 18 inches armpit to armpit, 18 inches armpit to cuff and 34 inches collar to hem, which points to a short, fitted jacket.

Is it warm enough for winter?

The listing does not state insulation or fill. The 34-inch collar-to-hem length is short, so it works best as a fall or mild-winter layer, or over a sweater in colder weather.

The material does not specify waterproofing. Treat it as a general outdoor coat unless the fabric label says otherwise.

What condition is it in?

It is described as in good used condition. Expect some signs of previous wear, and check the photos for fading, pilling or marks.

How does it compare with a new North Face jacket?

A new jacket brings current fabrics and insulation. This used one is an older model, so compare its features with what you need before buying.

How do I judge the fit without trying it on?

Compare the 18-inch pit-to-pit and 18-inch pit-to-cuff figures with a jacket you already own that fits well. That gives a clearer picture than the XS label alone.