Feel renewed with thePurple RestoreSoft Cal King Mattress At its core are individually wrapped responsive coils from edge-to-edge with Edge Support Foam and a thick layer of soft Comfort Foamthat boostshape retention and make getting in and out of bed easier The 2 GelFlex grid draws heat away for optimal the sleeping temperature and maintains support of pressure points even while you move for personalized full-body supportMaintaining freshness the SoftFlex cover has an anti-microbial treatment and stretches in harmony with the grid