1000 advanced mirapocket spring system with targeted zoned support for a comfortable nights sleep the tufted mattress also features silentnight ecocomfort fibre technology which is scientifically proven prevent overheating through the night and has been finished with a soft knit microquilted top fabric 1000 individual pocket springs ecocomfort breathable fibres scientifically proven to prevent overheating tufted mattress for an ortho feel easy care mattress no need to turn simply rotate