Sealy Posturepedic beds have a unique Zonal Support System which ensures your spine is supported and aligned to its natural shape, and it provides greater ‘push back’ support to areas of the body where weight is concentrated. This ‘Zonal’ approach helps prevent tossing and turning at night, when you don’t rest properly because your body isn’t comfortable and properly supported. 1200 Zone Pocket Spring System Sealy Smart Fibres provide a Cool, Fresh, Dry and Hypoallergenic sleeping environment. Eco-friendly Tencel fibres help keep you cool and dry Patented Unicase design protects the pocket springs and stop the mattress from sagging. A deep layer of Innergenic Latex for outstanding comfort and pressure relief. Correctly supports and aligns the spine in its natural shape, helping to reduce aches and pains. Endorsed by Allergy UK for the reduction of house dust mites. Colour option for the piping that runs around the perimeter of the mattress