Bluerest® features a Mais corn fabric cover over the technologically-advanced Waterlattex® core. Waterlattex® is a proprietary combination of environmentally advanced water-based polyurethane foam and latex, which creates a medium-firm mattress that, offers exceptional anatomic and orthopedic support. Mais corn fabric is a natural fiber that effectively disperses moisture away from the body. Finished with the Airyform® process for ventilation, the 8” thick Bluerest® is hypoallergenic and has three comfort zones to provide proper support. Bluerest® is made with a full zipper for easy removal of the cover for cleaning.