Sleeplace 12 in Euro Top Cool I Gel Layered Innerspring Mattress Queen 12SM01Q Perfect combination of Memory foam, Latex Like foam and High density foam Sleep cool with i-gel memory foam - our bed is comprised of cool i-gel memory foam which provides additional body conforming comfort while helping regulate your overall sleep temperature. use Hollow conjugated Fiber for Ventilation. 10 years Limited Manufacturer Warranty Well Treated by heat , Spring