JERFIT 12.5" California King Firm Mattress, Hybrid Cooling Gel Memory Foam Individually Wrapped Coils for Support, Black

JERFIT Hybrid Design for Optimal Support: Combines durable, responsive steel coils with multiple layers of conforming foam for a perfect balance of firm support and cushioning comfort. Advanced Cooling Sleep Surface: Features a dual-layer cooling system with gel-infused memory foam to actively pull heat away from the body and promote continuous airflow throughout the night. Individually Wrapped Pocket Coils: The 800-series steel coils work independently to isolate motion, reduce partner disturbance, and provide targeted support to maintain spinal alignment. Reinforced Edge and Center Support: Specialized foam encapsulation and a reinforced center third offer enhanced edge-to-edge support and prevent sagging, increasing the usable sleep surface. Pressure-Relieving Firm Comfort: The high-density foam base layer provides a resilient and stable foundation, ensuring lasting durability and a firm feel that cradles the body. Breathable and Ultra-Responsive Foams: CoolFlow™ comfort layers are designed to be breathable and responsive, offering a cooler sleep experience and easing pressure on shoulders and hips. Durable Mattress Structure: Built with high-quality materials and robust construction to maintain its firm support and comfort for years, providing excellent long-term value. CertiPUR-US® Certified Foams: All foam layers are certified to be made without harmful chemicals and emissions, ensuring a safe sleep environment for you and your family. Easy Mattress Setup: The mattress is efficiently compressed and shipped in a box for convenience, expanding to its full California King size quickly after unboxing.