Get a next level sleeping experience with the High Point Hybrid Firm Cal King Mattress Response pro-zoned HD encased coils a DuraFlex pro coil edge and targeting support coils keep you and the mattress in good shape having the support right where you need it Sealy cool gel foam and comfort sense premium memory foam lay on the comfort while the SealyChill has cooling fibers and antibacterial surface-guard technology to help keep you cool and your mattress protected