The quilting layer of the pocket spring mattress is the perfect combination of natural latex and convoluted foam. The thousands of pin core on latex and the egg shell shape of convoluted foam brings enough air ventilation. The flexible structure of latex absorb excessive pressure. And egg crate foam relax your muscel on common pressure points. Moreover, due to the pocket spring system, it is quiet, no disturbance from your partner during sleep. All is well placed to be sure you will wake with full energy at morning.