Description The Beautyrest Black® Hybrid Series Three Medium Mattress offers advanced, individualized support and motion separation, enhanced cooling features, and foam upgrades for a deeply contouring feel with responsive pressure relief. Beautyrest Black® Series Three features everything from Series One and Series Two, plus increased, conforming support with a 2K Micro Coil upgrade. Featured in the Series Three Medium model only, these unique coils are designed to provide enhanced conformability, pressure relief, and individualized support for each unique body shape. Series Three models also include Self-Response™ Latex, which increases pressure relief and airflow through it’s responsive, ventilated design. Series Three models feature an upgraded, cool-to-the-touch surface to help promote a luxurious rest. PRESSURE RELIEF Pressure relief can alleviate aches, stiffness, pain, and sleep apnea by keeping pressure on the mattress consistent across the entire bed. COOLING TECHNOLOGY Cooling materials and breathable fabrics are integrated into the mattress to help dissipate excess heat and maintain a cooler, more comfortable sleeping environment throughout the night. MOTION SEPARATION Advanced Pocketed Coil® Technology works to isolate movement between sleep partners, helping minimize disturbances from motion and promoting more uninterrupted rest. SUPPORT Proper mattress support can alleviate common sleep problems from snoring to soreness to sleep apnea as it distributes your weight evenly across the mattress and maintains proper joint and spine alignment. BREATHABLE DESIGN Breathable construction and airflow-enhancing materials help regulate temperature while creating a fresher and more comfortable sleep surface. ADJUSTABLE BASE FRIENDLY Compatible with adjustable bases for customized comfort and positioning while sleeping, relaxing, or watching television.