We tried out the mid-density Edition—the pillow also is available in a “hi” top that contains an individual block of memory foam plus a “lo” Model with thinner layers inside of—along with the foam was business but spongy, so our heads and necks have been cradled but didn’t sink. https://zenfluff-tempur-cloud-pil40716.ampedpages.com/the-single-best-strategy-to-use-for-zenfluff-memory-foam-neck-pillow-58251023