The Gelee H4, delivers our most luxurious experience, pairing revolutionary Gel Matrix® with an upgraded coil system and Ultra Plush memory foam topper. Like with all Gelee mattresses, our breathable gel provides a cool night’s sleep along with optimal spinal support and pressure point relief. Unique to the H4, phase change cooling fabric reduces heat transfer even further. The stabilizing base and 8″ individually-wrapped, coil system are engineered to isolate motion for an undisturbed rest. Finally, the structured edge increases integrity and durability, ensuring your Gelee lasts for years to come.