In the heart of the Just Dream mattress are 1000 Mirapocket springs. Working independently, the springs mould around your body for fully tailored support. With a zoned design, the springs target the areas where you need the most support, like the hips and lower back. The extra support enhances the spinal alignment and distributes your weight evenly around the mattress. Topped with a layer of body hugging memory foam to provide soothing pressure relief all night long. The mattress also features a layer of high-density ReVo foam, designed to reduce body heat and improve air circulation. Rolled for easy delivery. Free Next Day Delivery.