DMG 6064 Silentnight Memory 7 Sleep. A dual layered, vacuum packed mattress with Miratex and memory foam. The 3cm top layer of memory foam will respond to heat whilst the Miratex foam provides support right up to the edge of the mattress, absorbing movement and eliminating roll together. Plus there are Cirrus Airflow fibres, designed to work with memory foam to stop overheating. Finished in a soft-touch knitted cover. Cover may vary. And buy this DMG 6064 Silentnight Memory 7 Sleep Was £169.00 Now £149.00.