when it comes to a good night's sleep, by super twin extra long mattress is a game. this mattress is cooler than flip side of your pillow, ensuring a refreshing sleep experience. dual cooling technology combines cooling gel foam with phase change technology, helping 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 with marvelous middle prevents motion transfer between partners and offers 25% more support in center third of mattress, reducing risk of sagging. medium comfort foam equalizes distribution with extra cushioning, while its enhanced breathability helps regulate temperature. double layer of gel memory foam delivers contouring support of memory foam, with gel dissipating heat instead of storing it. mattress is made of foam with a navy blue color, and filler is steel. it measures 81.62 inches in depth, 39.9 inches in width, 13.61 inches in height, and weighs 76.85 pounds. package dimensions are 41 inches in depth, 20 inches in width, and 20 inches in height, with a package weight of 83 pounds. : mattress, cooling gel foam, phase change technology, gen ii, gel memory foam, -point relief, airflow, comfortable sleep surface, individually wrapped coil unit, marvelous middle, motion transfer prevention, support, sagging prevention, medium comfort foam, distribution, breathability, temperature regulation, navy blue, foam, steel, depth, width, height, weight, package dimensions. by super twin extra long mattress is epitome of comfort and innovation. it combines advanced technologies and materials to offer you a sleep experience like no other. dual cooling technology, with its cooling gel foam and phase change technology, keeps you cool and comfortable, even on hottest nights. gen ii gel memory foam provides superior -point relief, ensuring that your body is properly supported and your sleep is undisturbed. enhanced airflow keeps mattress fresh and hygienic, creating a sleep environment. mattress contours to your body precisely, offering a luxurious and tailored sleep experience. individually wrapped coil unit with marvelous middle provides exceptional stability and minimizes motion transfer, allowing you to sleep soundly. medium comfort foam adds a layer of plushness and helps regulate temperature. double layer of gel memory foam effectively dissipates heat, ensuring a comfortable and restful sleep. mattress is available in a sophisticated navy blue color and is made of top-notch foam and steel. it measures 81.62 inches in depth, 39.9 inches in width, 13.61 inches in height, and weighs 76.85 pounds. package has dimensions of 41 inches in depth, 20 inches in width, and 20 inches in height, with a weight of 83 pounds. : epitome of comfort, innovation, advanced technologies, dual cooling technology, cooling gel foam, phase change technology, superior -point relief, undisturbed sleep, enhanced airflow, fresh and hygienic mattress, body contouring, luxurious tailored sleep, individually wrapped coil unit, marvelous middle, exceptional stability, motion transfer minimization, medium comfort foam, plushness, temperature regulation, gel memory foam, heat dissipation, sophisticated navy blue, top-notch foam, steel, mattress details, package details.