Beautyrest Pocketed Coil Technology helps provide conforming support and motion separation for undisturbed sleep. 900 Series Beautyrest^® Pocketed Coil^® Technology provides flexible support precisely where it is needed and isolates motion between two sleepers. Dynamic Response Memory foam is a ventilated memory foam that has a unique feel and helps provide conforming back support and increased airflow for an ideal temperature. DualCool^™ Plus technology is designed to keep your mattress fresh, cool and create a comfortable sleeping environment with a moisture wicking technology at the sleeping surface.