12-Inch Hybrid Mattress in a Box with Independent Pocket Coils & Memory Foam, Medium Firm Support for Back Pain Relief, Reinforced Edge, Cooling Gel, CertiPUR-US Certified

Independent pocketed coils provide targeted spinal alignment and motion isolation, reducing partner disturbance while maintaining medium-firm support for back pain relief Dual-layer cooling system combines gel-infused memory foam with breathable open-cell foam to regulate temperature 15% more effectively than standard memory foam mattresses Reinforced edge support system extends usable sleeping area by 20%, maintaining 12-inch thickness across all four sides for full bed utilization CertiPUR-US certified materials ensure compliance with rigorous emissions standards, avoiding ozone-depleting substances and heavy metal contaminants 12-inch multilayer construction combines 2" cooling foam, 4" transition foam, and 6" pocketed coils for balanced pressure distribution and edge-to-edge durability