Sonlevo comes from the manufacturers of Mammoth and offer the next step up, with a range of 3 pocket spring mattresses. Starting with a 3000 springs and going to 6000 springs with a top model of 9000 springs. These sumptuous mattresses are made with Avid foam which offers 400% superior airflow as well as advanced cooling properties. These mattresses allow for your body weight to be distributed across the whole mattress thus offering an unrivalled sleeping sensation.