King Size Mattress for All Sleep Styles - This 12-inch hybrid king mattress combines individually wrapped coils and gel memory foam to deliver targeted support and excellent pressure relief. It helps promote spinal alignment and reduce back pain, making it ideal for side, back, and stomach sleepers. Cooling Euro Top for Plush Comfort - Designed with a plush quilted Euro top and cooling gel-infused memory foam, this mattress contours to your body while maintaining airflow. Enjoy a cool, comfortable sleep without overheating, even for hot sleepers. Certified Quality – Safe & Fiberglass-Free - Made with CertiPUR-US certified foams and ISPA approved, this mattress contains no fiberglass, ensuring safety for both adults and children. Backed by a 100-night risk-free trial for worry-free purchase. Easy Setup – King Mattress in a Box - Shipped as a mattress in a box, it’s easy to move, unbox, and set up—ideal for apartments or tight spaces. The mattress fully expands in 72 hours, offering instant convenience and comfort right out of the box. Motion Isolation & Breathable Sleep - Individually pocketed springs reduce motion transfer for undisturbed rest, perfect for couples. The breathable knitted cover and open-cell foam layers promote airflow, delivering a cool, sweat-free night’s sleep. Experience the perfect balance of comfort and support with this 12-inch hybrid king mattress. Designed for king-size beds, this medium-firm mattress combines the pressure-relieving benefits of gel memory foam with the robust support of pocket springs. The innovative hybrid construction promotes optimal airflow for a cooler night's sleep, while the responsive memory foam contours to your body's unique shape. The individually wrapped pocket springs provide targeted support and help minimize motion transfer, making it ideal for couples. With enhanced edge support, you can utilize the entire sleeping surface without the fear of roll-off. The convenient mattress-in-a-box delivery brings premium sleep comfort right to your doorstep, and a 100-night trial period lets you experience its benefits in your own home. This thoughtfully engineered mattress offers a harmonious blend of cushioning comfort and durable support for restorative sleep night after night.