The Grand Memory mattress features Viscoelastic, a state-of-the-art material used in high-end mattresses. It is hyperconductive and capable of eliminating large amounts of thermal flow, ensuring a rest without temperature accumulation. Sanitized treatment against dust mites, allergies, and bacteria. With TodoTherm Fiber, which provides a Thermo Regulating effect. This mattress has a rest system created layer by layer independently to achieve a Cloud effect while you sleep. Each layer of the Grand Memory mattress has been independently made and designed, achieving maximum volume and minimizing nighttime movements for a restorative rest. Top cover with high-weight Stretch fabric quilted with hypoallergenic and extra-soft fibers. This mattress features Duo-System technology, which provides two independent firmness levels on each side: Medium Firmness on side A and High Firmness on side B.