The silentnight miracoil geltex comfort double mattress benefits from continuous zoned springs to give extra comfort support and pressure relief for all shapes and sizes modern micro quilted mattress with a luxurious soft knit cover easy care mattress no need to turn just simply rotate periodically to ensure even wear and longevity teamed with exclusive geltex silentnights temperature regulating gel infused filling layer for amazing comfort and breathability geltex delivers optimal bod