I tried many mattress and I can assure you that the zephyr is the best by far. So confortable and I really felt rested. It’s the best purchase I have done yet online . All the feature are true and you really feel the quality of the product￼￼￼, Specially with those hot summer night this mattress doesn’t get the humidity. Also I received the mattress in less than 4 day. I totally recommended if you are looking for a exceptional quality product . I have lower back problems and since I had this bed I experience less tension and pain in the morning.