sealy ortho plus essential mattress in trichy growell beds and furnitures trichy An orthopedic memory foam mattress combines the supportive properties of orthopedic design with the pressure-relieving benefits of memory foam The mattress typically features a top layer made of memory foam, a viscoelastic material that softens in response to body heat and pressure, contouring to the sleeper's body shape. This layer helps distribute body weight evenly, relieving pressure points and promoting proper spinal alignment.