discover sleep solution with a 13 - inch twin extra long mattress that combines comfort and advanced cooling technology. this medium - comfort mattress is designed to offer a truly restful sleep experience. dual cooling technology, which incorporates phase - change material, works throughout night to absorb and release heat, maintaining an ideal sleep temperature. you won't have to worry about getting too hot or too cold during your slumber. foam is a breathable and responsive comfort layer. it promotes airflow and cradles your body, providing a cool and sleep surface. as you lie on it, you'll feel like you're being gently hugged by a cloud. , a gel - memory foam, gives you contouring support of memory foam while dissipating heat instead of storing it. this means you can enjoy benefits of memory foam without overheating issue. medium foam offers balanced relief. it provides just right amount of support to keep your body aligned all night long. whether you're a side - sleeper, back - sleeper, or stomach - sleeper, this foam will adapt to your body's needs. foam is a firm and resilient layer. it adds long - lasting durability and support to mattress. you can expect this mattress to stay in great shape for years to come, offering you consistent comfort. marvellous middle provides 25% more lumbar support. it reduces motion transfer, so if your partner moves during night, you won't be disturbed. you'll be able to enjoy a peaceful and restful night's sleep. 800 individually wrapped coil system with 360 support conforms to your body's movements. it provides enhanced support, and reinforced perimeter maximizes your sleep surface. you can sleep right up to edge of mattress with edge - to - edge comfort. main colour of this mattress is a combination of grey and blue, which gives it a modern and stylish look. main material is foam, and filler is steel. with a product depth of 80 inches, width of 39 inches, and height of 13 inches, it's perfect size for a twin extra long bed. weighing 63 pounds, it's also relatively easy to handle. package dimensions are 41 inches in depth, 20 inches in width, and 20 inches in height, with a package weight of 71 pounds. whether you're setting up a guest room or upgrading your own bed, this 13 - inch twin extra long medium - comfort mattress is a great choice. it offers perfect combination of cooling comfort and firm support, helping you wake up feeling refreshed and rejuvenated every morning.are you tired of restless nights on an uncomfortable mattress? look no further than this 13 - inch twin extra long medium - comfort mattress. it's designed to revolutionize your sleep experience. advanced cooling technology is a game - changer. dual cooling technology with phase - change material ensures that you stay at an ideal sleep temperature all night. you'll never have to toss and turn due to overheating again. foam is like a dream. it's a breathable layer that promotes airflow. as you lie on it, air circulates around your body, keeping you cool and comfortable. it also cradles your body, adapting to your shape and providing a sleep surface. , gel - memory foam, is another highlight. it gives you support of memory foam while effectively dissipating heat. you'll feel like you're floating on a cool, supportive cloud. medium foam offers balanced relief. it's engineered to keep your body aligned, reducing any potential aches and pains. whether you're a sleeper or a heavy sleeper, this foam will provide right amount of support. foam is a tough and resilient layer. it adds long - term durability to mattress. you can be confident that this mattress will serve you well for many years. marvellous middle is a unique feature. it provides 25% more lumbar support, which is great for those who suffer from lower back pain. it also