The pillow is basically 2 ordinary pillows sewn together. I think it's a great idea, they just need to execute it much better. It's WAY too lofty, you'd think they would've put 2 half-sized pillows together so that all together it makes one pillow when zipped, but each half is almost a full pillow on it's own. The soft side is better for all positions, the hard side is too hard, even for a large side sleeper like me. The stitching in the pillow was also frayed and unraveling with loose cotton coming everywhere so not the best finishing on it. And it gets hot really fast, no cooling features at all from what I could tell. Only good thing I could say was that it was filled very evenly. I also figured out this technique where you can leave it unzipped and rest half against your headboard and then flop it down quickly if you want to change positions, but to do that you can't use a pillowcase.