The Double Pedic Support Plus Memory Foam Mattress is 22cm deep & consists of two foam layers which work together to provide a highly supportive sleeping surface. This makes it the perfect mattress choice for those of a heavier build. The firm medical grade reflex foam provides a firm & supportive base to the mattress. The deep 7cm top layer of memory foam adds a softer layer for comfort which works with the contours of your body to help alleviate aches & pains & offers pressure relief where you need it by distributing your weight evenly across the mattress. The overall depth & memory foam density of the Double Pedic Support Plus means it’s an ideal choice for heavier people & will offer the supreme level of support needed to ensure you get a good night’s sleep. The mattress comes complete with an Outlast cover which utilises phase change materials to absorb & store heat energy when your body is too hot, & then release the heat energy when you begin to cool, meaning optimum temperature regulation throughout the night. The Outlast creates a cooler sleeping environment by alleviating spikes in skin temperature; often a key cause of waking during the night. The Pedic Support Plus Memory Foam Mattress is hypoallergenic & antibacterial, inhibiting the development of dust mites, meaning it's a great sleeping environment for sufferers of allergies & asthma. Manufactured in the UK with quality raw materials & detailed finishing, this mattress has been designed to offer maximum support for heavier people.