discover unparalleled comfort of by firm king mattress. this mattress is designed to meet needs of those who value a good night's sleep. advanced dual cooling technology, with its combination of cooling gel foam and phase change technology, keeps you feeling cool and cozy. gen ii gel memory foam offers exceptional -point relief, helping you wake up feeling refreshed. it also improves air circulation, providing a fresh and pleasant sleep environment. individually wrapped coil unit with marvelous middle provides excellent support and minimizes motion transfer, ensuring a restful sleep. support foam is strong and , maintaining its shape and resilience over time. gel in memory foam efficiently dissipates heat, you from feeling too warm. navy blue color of mattress gives it a sophisticated look that complements any bedroom. constructed with foam and filled with steel, this mattress is a reliable choice. it has a depth of 79.67 inches, a width of 77.5 inches, a height of 11.92 inches, and a weight of 122.06 pounds, offering a generous and comfortable sleeping area. package has a depth of 41 inches, a width of 20 inches, and a height of 20 inches, with a weight of 127 pounds. : unparalleled comfort, , , firm, dual cooling technology, advanced cooling, gen ii, memory foam benefits, relief, airflow improvement, individually wrapped coil unit, motion transfer minimization, support and durability, support foam, heat dissipation, navy blue appearance, foam and steel construction, product specifications, package detailsexperience sleep with by firm king mattress. this mattress is cooler than flip side of your pillow, ensuring a refreshing and comfortable sleep. new by collection is specially designed to meet needs of health-conscious customers. with dual cooling technology, it incorporates cooling gel foam and phase change technology to help you fall asleep quickly and stay asleep longer. gen ii gel memory foam provides enhanced -point relief, improved airflow, and a supremely comfortable sleep surface. it contours perfectly to your body, pulling heat away from comfort layers of mattress throughout night, allowing you to enjoy a and rejuvenating sleep. individually wrapped coil unit featuring marvelous middle prevents motion transfer between partners and offers 25% more support in center third of mattress, reducing risk of sagging. firm and supportive support foam delivers incredible durability and retains its resiliency longer than standard foams. gel memory foam of dissipates heat instead of storing it, providing contouring support of memory foam for a superior sleep experience. mattress is available in a stylish navy blue color and is made of foam. it measures 79.67 in. in depth, 77.5 in. in width, and 11.92 in. in height, with a weight of 122.06 lb. package dimensions are 41 in in depth, 20 in in width, and 20 in in height, and package weight is 127 lb. : mattress, firm, dual cooling technology, gen ii, individually wrapped coil unit, marvelous middle, support foam, gel memory foam, comfortable sleep, -point relief, improved airflow, motion transfer prevention, mattress durability, heat dissipation