Featuring a 3-phase Trizone spring unit, the Airsprung Portland Trizone memory mattress provides extra support to the lumbar region. The king size mattress also features an insulator pad with a deep layer of white polyester filling, plus a layer of memory foam. This luxurious layer moulds around the contours of your body to offer medium firm support.
With a soft knitted panel on the sleeping surface and a quality damask material on the borders, the Portland Trizone memory mattress has 4 breathable vents to promote air circulation. It also features 4 flag stitched side turning handles for easy maintenance.