I bought this because I was experiencing neck and back problems. As I fall asleep on back, it is perfect. In the middle of the night when I need to change positions, I usually trade it out for another memory foam pillow. This pillow is very firm
This pillow does not come with a cover. It smells so badly, I can't even describe it. As I took it out of the plastic bag it came in, little tiny blue sticky balls were falling from it. All over the place. It was falling apart as I took it out of the bag. It took me over an hour to get all of the balls off of the table. Total mess.
This pillow is very comfortable to sleep on. I find it soothing to my neck when using it. I bought it in fall and so far, hasn't experienced any heating problem. The curve fits my neck and shoulder regions well. I don't think it's super firm but conforms to the body contour so it feels good to use. I've seen better prices on Overstock for similar pillow (although not sure of the quality of those cheaper pillows) but compared to retail price for similar items, I think this is a good buy.