12 Inch Twin XL Mattress – Responsive Latex and Cooling Gel Hybrid Bed in a Box, Easy to Move for Dorms & Rentals, Zoned Support for Spinal Alignment, Medium Firm, CertiPUR-US Certified

Pain Relief, Wake Up Refreshed – Combining high-elasticity latex, pressure relieving memory foam and high-compression springs, Keltfos twin xl mattress offers responsive support and zoned support to perfectly cradle your body curves. Experience the superior comfort of sleep and wake up refreshed with a happier, healthier spine
Enhanced Edge Support & Long-Lasting Durability – Medium firm mattresses feature reinforced edges for secure support and high-density layers that resist sagging for years. Ideal for adults with lower back discomfort, it provides restful sleep in any position without body aches
Zoned Support, Tailored for Your Healthy Spine – Advanced individual pocket springs dynamically adapt to your body’s unique contours and weight distribution, sculpting perfect spinal alignment personalized just for you. Each spring works independently to deliver customized support from head to toe, while intelligently reducing pressure points and motion transfer.
Target to Lumbar, Responsive Support as You Turn Over – The comfort memory foam layer and reinforced pocket springs are like an invisible arch bridge, supporting your lower back throughout the night and keeping your spine in the right position. Contouring latex layer has better resilience and responsive support. Even when you turn over or change sleeping position, it can immediately fill the gap that causes pressure points
No More Sticky Nights – The latex’s open-cell structure minimizes heat buildup, while springs layer form hundreds of airflow channels that continuously wick away sweat — keeping you fresh even in summer
100 Nights Trail Hassle-Free Service – 80″ L x 39″ W x 12″ H xl twin bed mattress is compressed and packed neatly in a box that is delivered right to your door. Just unbox, unroll, unwind and allow 72 hours for it to fully expand before use. Provide 100-night home trial and 10-year Support.
Notes – It fits all standard bed frames perfectly. The 12-inch enhanced thickness delivers superior support and comfort, making it an ideal sleep solution for adult bedrooms, teen bedrooms, dorm rooms, and guest rooms.