With 1500 pocketed springs the relyon ultima pocket memory mattress can respond to different areas of your body through individual springs offering support exactly where it is needed the springs are topped with a layer of 50mm memory foam which react to your body heat and mould to your individual shape it also boasts cool comfort a temperature and moisture regulator this mattress further includes a soft layer of hypo allergenic reflex foam the density and texture of both the memory and re