The Mlily ChiroPro Hybrid Firm Mattress, Queen is a 13-inch mattress endorsed by the International Chiropractors Association thanks to its ability to support the neck, back, and shoulders. Its firm memory foam design features multiple layers that work together to create one of the most comfortable and supportive mattresses on the market today by adapting to your body while you sleep. At the same time, unparalleled cooling features help regulate body temperature. The Mlily ChiroPro Hybrid Firm Mattress combines foam and spring materials to increase airflow and promote a cooler sleep environment. With this mattress, you’ll never wake up in a pool of sweat again. Best of all, this mattress is compatible with adjustable foundations, allowing you to elevate your head or feet for added comfort to customize your sleep position. • Mattress Comfort Level: Firm • Sleeper Orientation: Back, Side, and Stomach Product Details: • The Cooling Knit Fabric Cover not only breathes but offers air flow that creates a cooling sensation, keeping you comfortably cool while you sleep. • The Gel AeroFusion™ Memory Foam layer keeps all of the positive properties of memory foam, like contouring and conforming to your body, while mitigating temperature issues with the gel infusion. • A Gentle Flex-Foam layer offers the perfect balance of comfort and support with a firm feel that conforms to the body. • The Flex Support Foam layer is flexible and supportive, allowing the more specialized forms above it to truly shine. • A Hybrid Base Foam layer with Individually pocketed springs is divided into seven zones with different support levels to match different areas of your body.