Pur Chill - 8" Firm Mattress With Phase Change Cooling FabricAdvanced Cooling Technology: The Pur Chill mattress features phase change cooling fabric and ventilated panels, ensuring optimal air flow and a consistently cool sleeping environment. Supportive Foam Layers: With 1" ventilated l gel cooling memory foam, 3" pure gel cooling foam, and a 4" density base foam, this mattress provides excellent support and comfort. Convenient Design: The mattress comes with a 400 GSM zip off cover, making it easy to clean