Ultimate hybrid mattress. Features a top layer of responsive Breathe + Flex Foam to enhance airflow. Ultra-supportive Align+ Memory Foam keeps you aligned for your deepest sleep. Firmer center foam cradles your body while giving added support to your hips, waist and lower back. Individually pocketed Flex Coils flex reduce motion transfer and boost support. Conveniently raise or lower the head of your mattress using the RTG Sleep 2900 adjustable base with wireless remote control.