● 5 zones spinal-protecting system conforms to the comfort demand . This design ensures that couples can enjoy undisturbed slumber, while also offering a personalized and comfortable sleep experience tailored to diverse preferences.● Knit with OEKO-TEX certified ,soft and breathable style suits every seasons.● Memory foam excellent pressure relief, conforming to body contours for even weight distribution,durable, retaining shape and performance over time.● With 3cm Comfort foam in comfort layer supply high rebound,good physical stability ,good heat dissipation.