The King Premier Multizone mattress features multi-zones of total anti-stress rest thanks to the memory foam which prevents pressure points, favouring great adaptability and a correct spinal alignment. The main feature of this mattress is its great ergonomics during rest because of its unique composition, which ensures a firm and ergonomically sound sleep. It features SuperSoft Foam Ultra Rest, a cutting-edge material used in high-end mattresses. It is also hyperconductive and, therefore, capable of eliminating large amounts of heat, ensuring a restful sleep without temperature build-up. The mattress is constructed with a high-density HR core that ensures its firmness. Combined with the memory foam layer, it provides a "cloud effect" and a comfortable sleep perfectly adapted to the contours of your body. This mattress incorporates Duo-System technology, offering two independent levels of firmness for each side: Medium firmness for side A and high firmness for side B This way, it adapts to all needs, ensuring maximum user satisfaction. Excellent durability: guaranteed to retain all its characteristics for 10 years of intensive use. Technical specifications: Thickness: +/- 27 cm Memory foam + SuperSoft Foam: 4 cm Anti Stress System Pro® MultiCare System: multi-zone support DuoSystem firmness: H2-H3 Medium firmness on side A High firmness on side B Good adaptability and ergonomics High level of comfort HR Pro high-density core Independent mattress firmness 100% antibacterial SANITIZED Tape Edge Sewing Technique Breathable Anti-Moisture Stretch fabric Excellent durability: up to 10 years with intensive use Lumbar support Quality System OEKO-TEX® European Certification 100% Satisfaction Guarantee 3-Year Warranty Made in Spain The product will arrive vacuum-rolled and must be left on a flat surface for 24 hours before use. To keep the product in optimum condition, it must be unpacked within three weeks of receipt, otherwise the company cannot be held responsible for any loss of quality.