Enjoy a great night's sleep with all the support you need. This extra-firm mattress uses individually pocketed coils to provide head-to-toe support with no sinking and advanced motion isolation to accommodate any sleeping position and minimize movement when your partner changes position. Plus, ActiveResponse Memory Foam contours to the body to relieve pressure and alleviate pain. Sleep comfortably and cool all night long thanks to breathable moisture-wicking fabric with InfiniCool cooling fibers. Sleep comfortably and cool all night long thanks to breathable moisture-wicking fabric with InfiniCool cooling fibers.The lofty, quilted top lends a more lifted feel for rejuvenating rest. Offering extra-firm support, the mattress is a great choice for back or stomach sleepers.