Sleep in luxury with theCaress 20 Hybrid Cal King Mattress Its TempaGel technology reduces motion transfer reacts to and moderates temperature variances buffers sensitive pressure points and improves circulation The 3-zone coil unit encased in foam and Marvelous Middle protect against sagging and offer a durable center support that equalizes pressure distribution across the entire body Fabric cooling technology helps you fall asleep faster and stay asleep longer by pulling the heat away from you and the comfort layers