JERFIT 12 Inch King Hybrid Mattress, Copper Infused Memory Foam Pocketed Coils for Cool Sleep Edge Support, CertiPUR-US Certified, Black+Gray

JERFIT Copper-Infused Memory Foam for enhanced cooling, pressure relief, and responsive comfort. Individually Pocketed Coil System with 899 king-count coils for targeted support and minimal motion transfer. Reinforced Edge Support with 12-gauge perimeter coils for superior edge-to-edge stability and usability. Advanced Cooling Cover promotes airflow and works with copper infusion to dissipate heat for a cooler sleep. Layered Comfort System featuring 4" copper memory foam and 2" plush comfort foam for optimal cushioning. CertiPUR-US Certified foam ensures content and emissions standards are met for safety and quality. Durable 6" Base of 13-gauge pocketed coils provides a sturdy, supportive foundation and enhances longevity. High-Density Support Base Layer adds structural integrity and prevents premature sagging. Hybrid Design merges the contouring benefits of foam with the responsive support of an innerspring system.