Memory Foam 5 COMFORT ZONES: Embrace a new kind of comfort with this innovative topper that has five raised zones that reduce pressure at different points of the body to provide targeted relief and elevated comfort COOLING GEL INFUSION: Infused with cooling gel that actively captures and distributes heat to help regulate temperature, so you stay cool and comfortable all night long PLUSH MEMORY FOAM COMFORT: Premium memory foam contours to your body to provide plush comfort while a ventilated design improves airflow to create an incredibly soft, airy, and responsive feel TWO-SIDED USE: This topper can be used with either side facing up to achieve your desired feel; use zoned side up for a plusher feel with greater targeted support or use flat side up for a more even and firm feel QUALITY MATERIALS & EASY SETUP: Our foam is CertiPUR-US certified, meaning we only use quality materials to ensure your comfort and safety; the topper is compressed, rolled, and shipped in a box - simply unroll and allow 24-48 hours for expansion