Plank Firm is the firmest all-foam mattress, featuring a unique flippable design. This allows for a choice between firm and ultra-firm support, providing optimal spinal alignment. Constructed with high-density foams and breathable materials, this 10-inch tall mattress helps reduce spinal stress. An optional GlacioTex™ Cooling Cover can be added for enhanced temperature regulation. This award-winning mattress provides a consistently supportive sleep surface.
