King Memory Foam Mattress 8 Inch Firm - Gel Infused, Edge Support, Air Grid - Compressed Roll Bed in a Box - Machine Washable Cover - Certified

【Enhanced Cooling Technology】: Gel-infused air foam actively draws heat away from the body; promoting a cooler and more comfortable sleep experience throughout the night; ideal for hot sleepers and warm climates; the open-cell structure enhances breathability and airflow. 【Patented Edge Support System】: Engineered with a unique edge-to-edge support system; increasing the usable sleeping surface by 20%; providing a stable and secure sleeping experience; prevents sagging and roll-off; perfect for couples and those who share a bed. 【Firm & Supportive Comfort】: Designed with high-density memory foam; providing firm support for back and stomach sleepers; alleviates pressure points; promoting proper spinal alignment; ideal for individuals seeking a supportive and restorative sleep surface; the 8-inch thickness offers a balanced feel.