This is the memory foam mattress infused with copper fibers that help prevent overheating?ensuring a more restful night sleep. Made with a proprietary memory foam blend, the mattress keeps you cool throughout the night by utilizing its imbedded copper fibers that naturally pull heat away from the body. The multi-layer mattress is comprised of a high-density foam base, a comfort foam layer with built-in airflow channels, a copper-infused/memory foam top layer, and a 1" machine washable copper/memory foam cover. Due to copper's natural properties, the mattress is also antimicrobial, antibacterial, and hypoallergenic. Imported.