ABOUT THE COLLECTION:A dedication to extreme comfort delivered by layers of signature latex, the Crown Collection offers an adaptable lifetime of healthier sleep featuring a patented Kluft Standard design and exquisite, natural materials.View all mattresses in the Crown Latex Collection. QUILTING LAYER:Resilient silk and wool fibers ensure breathability allowing for temperature control. Double layers of plush quilting foam provide instant pressure relief and luxury contouring. Cotton tricot backing allows for improved comfort and the ultimate sleeping surface with a firm feel. Materials: silk/wool fibers, double layer of quilted latex, backed with True Stretch™ Cotton tricot COMFORT LAYER:Two layers of firm latex relieve pressure points while offering optimum support for ideal body and spinal alignment. One layer of cotton. Materials: Three layers of latex, one layer of cotton SUPPORT DETAILS:Kluft proprietary core system supports back, shoulders and hips with pressure relieving components. Durable and flexible high-density encased perimeter support. Materials: High-density encased perimeter support, Kluft proprietary core system BOX SPRING:Cushioned wood platform covered with luxury Belgian jacquard damask, non-skid top, and a dust cover on the bottom. Materials: Wood, Belgian jacquard damask