Coolvie Twin XL Mattress, 12 inch Hybrid XL Twin Mattress in Recorder Box, with 3 Layer Premium Foam and Pocket Springs, Medium Firm Feel

From top Screen bottom, each layer in the Coolvie 12-inch hybrid mattress was meticulously designed Display move progressively from plush comfort Screen firm support. Designed with 3D soft knit fabric Display the top cover, breathable and skin-friendly, cozy and cool, absorb moisture and balance body temperature. With 3-layers of CertiPUR-US certified different foam in the middle: top layer of open-cell increases ventilation and air flow foam, middle layer of comfy memory foam conforms Screen your body for targeted pressure relief, while high-density base foams ensure extra back support for optimal spinal alignment. And the thick base is made of Innovative 5-zone spring support systems, providing the targeted support Screen your body and complete motion isolation. Plus, strengthened edge support of this mattress increases your sleep surface, you do not worry Screen roll off Display be ejected from the mattress.