It is an amazing combination of HR foam, 40d foam, convoluted foam, and softy foam in quilting to take the actual curve shape of your body. Our customers say this mattress is an amazing balance of softness, firmness, and support. You've possibly slept in more expensive mattresses than the iCloud but never more comfortable than this. We offer 100 nights satisfaction gurantee In case you don't feel the warm and fuzzies with Blacklabel iCloud , we'll gladly take it back with absolutely no hassles and give you a 100% refund. We assure you to make your sleep best and on cloud nine.