The MLILY Harmony+ is a 10” four-layer memory foam mattress sure to have any sleeper drifting away to dream land. The soft air+gel Dream Foam cradles the body and reduces pressure. The supportive Flex foam provides a restful, restorative sleep. End each day on the right note when sleeping on an MLILY Harmony +. The top layer is Double Jacquard Fabric. Our premium knit fabric is designed to provide advanced breathability and comfort. The 2nd layer is MLILY AirCell Foam. Our specialized Gel AirCell Foam is scientifically engineered to provide a unique layer of our supreme Performance Memory Foam infused with our breathable, temperature-regulating AirCell Technology. 1.5”. Layer 3 is Performance Memory Foam. Performance Memory Foam is designed to improve oxygen and blood circulation, helping you achieve the deep regenerative sleep you need. 1.5”. The bottom layer is Flex Support Foam. We’ve added a final layer of our custom Flex Support Foam to provide a complete level of corner-to-corner support, delivering the deep regenerative sleep you need. 7”.