Our Crown Premiere range has been designed without compromise and aims to offer a truly indulgent and restorative sleep. The Dream Spring System Quadcoil™ advance pocket spring technology is exclusive to the premium end of the Crown Posture Bedding mattresses. These quadripple stranded coils provide greater durability than traditional wrapped coils while delivering pressure relief motion seperation for undisturbed sleep and back support . Crown Premiere collection perfectly pairs with the latest cooling & innovating comfort technologies to improve your sleep and ensure you wake up feeling your best. Time to Dream First Class. Quadcoil™ Pocket Spring technology Adaptive Tencel knit cover wool blend quilt Foam box walls Black Diamond Latex layer for temperature regulation handles . Australian Made *base sold separately