The A.H. Beard Domino St Louis Firm Mattress - King Single is a memory foam/foam on pocket spring mattress that offers a comfortable and supportive sleep experience. It features Climalux, a collection of breathable comfort technologies that help dissipate heat and create a comfortable sleeping environment year after year. The mattress also includes a Wool/Silk Fibre Blend layer, which encourages breathability and enhances overall comfort. The Talalay foam conforms to your body, relieving pressure and reducing tossing and turning. The Conforma Coil 5 Zone VRS Support System provides all-over support, pressure relief, and minimal partner disturbance. With five zoned areas, it offers extra support for the upper and lower body. The system also features Variable Response Spring (VRS) technology, which dynamically responds to individual weight and movement. The Performa Edge Support, a high-density foam edge, provides a larger sleeping surface and a stronger mattress edge. Additionally, the Micro Comfort Coils add extra support and enhanced comfort while minimizing partner disturbance. Overall, the A.H. Beard Domino St Louis Firm Mattress - King Single combines advanced technologies and premium materials to deliver a supportive and comfortable sleep surface.