The new Simmons Beautyrest Black Hybrid Alcove Plush Pillow Top Mattress is luxury combined with advance technology . This mattress has a luxurious knit cover that conforms and feels smooth to the body. It features AirCool Memory Foam helps keep the body’s ideal sleeping temperature and reduce pressure points. It is surrounded with a ventilated AirCool BeautyEdge Foam Encasement that provides stability from edge to edge. The 850 Density Advanced Pocket Coil technology moves with you for personalized conformability and helps to achieve proper sleeping posture.