I have purchased a gentle mid core pillow. 

Size is right for a 5-foot female, and it seems to be reasonably soft. I normally use down pillows, but want to try something that may give me more neck support to open up my airway when I sleep on my back. Unfortunately, it is still too firm for me, and it quickly hurts my jaws - I have TMJ. 

I really like the shape and support of the pillow, so if it were softer, I might be able to use it.

Even though the pillow doesn't work well for me, customer service is outstanding.