if you're in market for a twin xl mattress that offers both comfort and advanced features, this one is definitely worth considering. first thing that stands out is dual cooling technology. it combines cooling gel foam and phase change technology, which is a great way to promote a good night's sleep. you'll be able to fall asleep faster and stay asleep for longer periods, as mattress helps keep your body temperature in check. memory foam is a real game - changer. it provides excellent contouring support, adapting to your body's shape and relieving points. at same time, gel infusion allows it to dissipate heat, so you won't feel hot and sticky during night. this combination of support and heat management makes it a top - notch choice for a comfortable sleep. support foam is firm and supportive, offering long - lasting durability. it retains its resiliency better than standard foams, ensuring that mattress maintains its performance over time. you won't have to worry about mattress losing its shape or support after a few years of use. individually wrapped coil unit with marvellous middle is a unique selling point. it prevents motion transfer between sleepers, so you can sleep undisturbed even if your partner moves around. extra support in centre third of mattress also helps sagging, which is crucial for long - term quality of mattress. black and white colour scheme of mattress gives it a modern and stylish appearance. it can fit into any bedroom decor, whether it's minimalist, traditional, or contemporary. steel filler and foam main material make mattress and reliable. with dimensions of 39 inches in width, 80 inches in depth, and 14.5 inches in height, and a weight of 77 pounds, it's a well - sized twin xl mattress. package dimensions and weight are also reasonable, making it easy to handle during delivery and setup. this twin xl mattress is designed to provide you with a comfortable and rejuvenating sleep. cooling technology, memory foam, and unique coil unit work in harmony to create an ideal sleep environment. you'll wake up feeling well - rested and ready to start your day with enthusiasm. looking for a high - quality twin xl mattress that can offer you a restful and cool sleep? look no further! this twin extra long mattress is a remarkable choice. it combines advanced cooling technology with top - notch materials to you have sleep experience. dual cooling technology incorporated in this mattress is truly a game - changer. it uses cooling gel foam along with phase change technology. this means you can fall asleep quickly and stay asleep longer, as it helps regulate your body temperature throughout night. no more waking up in middle of night due to overheating. memory foam is another highlight. it's gel - , which not only provides excellent contouring support that memory foam is known for but also dissipates heat instead of storing it. you'll feel like you're sleeping on a cloud, with your body perfectly cradled by foam. support foam is firm and supportive. it offers incredible durability and retains its resiliency much longer than standard foams. so, even after years of use, this mattress will still maintain its shape and support. individually wrapped coil unit with marvellous middle is a unique feature. it prevents motion transfer between partners, so you won't be disturbed if your partner moves around during night. moreover, it delivers 25% more support in centre third of mattress, effectively mitigating sagging. this is especially important for maintaining long - term quality of mattress. in terms of appearance, main colours of black and white give it a modern and stylish look that can fit well into various bedroom . main material is foam, and filler is steel, which together contribute to overall sturdiness of mattress. measuring