ABOUT THE COLLECTION:A luxurious combination of innovative design and exceptional comfort, the Kluft Signature collection features scientifically tested Bloomingdale's exclusive BioCeramics™ technology, ventilated TerraPur latex and elite fibers including horsehair, wool and cashmere. View all mattresses in the Kluft Signature collection. QUILTING LAYER:Bioceramics™ technology fabric absorbs and converts the body's heat into infrared energy to stimulates micro blood circulation. This process accelerates the body's recovery, boosts the cellular activity, keeps the environment naturally hypoallergenic and regulates your body temperature, keeping you more comfortable while you sleep. An additional layer of firm foam provides additional surface cushioning. All layers are tufted by hand to minimize deep body contour. Materials: Silk blended with wool over plush foam and quiltable latex. COMFORT LAYER:All layers are chosen to breathe as well as provide comfort. Eucalyptus padding offers a unique, breathable and moisture-wicking property allowing for better circulation and temperature regulation. TerraPur latex provides a resilient level of comfort as well as pressure relief and durability. Materials: 2 layers of Luxury firm ventilated TerraPur™ latex, cashmere/wool fibers, 1 layer of horsehair, luxury wool, 1 layer of eucalyptus padding, cotton SUPPORT DETAILS:Original Marshall nested calico pocketed 15.5 gauge coil for the ultimate in support. Edges are high density foam encased. Materials: Original Marshall nested calico pocketed 15.5 gauge coil, 2.4# high density foam BOX SPRING:Each coil in this 8-way hand-tie boxspring is tied by hand using imported hemp twine with over 800 knots. It is also fully upholstered with furniture cord finish. Materials: 8-way hand-tie wood foundation, Belgian Jacquard Damask cover