THE KITCHEN SINK! This is as good as it gets for an innerspring mattress. The Blake ST Firm is great for back or stomach sleepers. This beautiful bed uses a touch of Plant Based Memory foam and pressure relieving 100% Natural Talalay Latex foam. It uses an advanced individually pocketed innerspring unit, which provides for optimum support, while still allowing for excellent contouring, and virtually no motion or bounciness. The antimicrobial Pillow Loft fibers provide for a more temperature regulated sleep, and the 360 degree foam encased edge support makes for a stiff seating edge and reduces roll off.