We tried using the mid-density Model—the pillow also is available in a “hi” top that contains one block of memory foam along with a “lo” version with thinner layers inside of—plus the foam was business but spongy, so our heads and necks were cradled but didn’t sink. When squeezed, https://andersonhudnp.bloguetechno.com/rumored-buzz-on-what-is-zenfluff-memory-foam-pillow-66329838