The SleepSoul Harmony mattress combines memory foam and convoluted foam to help you drift into a deep, restful sleep. Featuring 4cm of convoluted foam, 1cm of memory foam and another 2.5cm of convoluted foam, the SleepSoul Harmony mattress has to be felt to be believed. The convoluted foam is a breathable layer that provides advanced airflow for a cooler night's sleep. It also reduces pressure off joints and muscles. The 1cm layer of memory foam allows your body to sink deep into the mattress, offering comfort and stability unlike traditional foam. Experience a blissful night's sleep without fear rolling off the bed. 1000 individual edge-to-edge pocket springs keep you stable and supported as you sleep. You'll avoid the roll-together' effect, keeping you and a partner secure on the bed for a more peaceful night's sleep. Sleepsoul Harmany Mattress in White Size: Single