ABOUT THE COLLECTION:The Probreeze 2.0 collection features SmartClimate® and PURE COOL® technology to keep you cool and comfortable night after night. View all mattresses in the ProBreeze 2.0 collection. QUILTING LAYER:The patented removable, machine-washable cover that is cool-to-the touch and draws heat away from the body, thanks to the heat absorbing fibers, for cooling comfort. Materials: SmartClimate® Cover COMFORT LAYER:An exclusive Tempur-Pedic® technology, this innovative material is designed to pull heat away from your body to help you sleep cool all night long. Cool to the Touch SmartClimate® Cover & PURE COOL® Heating Diffusing Layer with Ventilated Advance Relief™ for a cooler nights sleep. Materials: Heat-Diffusing Layer Pure Cool® Material - 1.5" SUPPORT DETAILS:Over 1,000 premium innersprings combined with one-of-a-kind Tempur-Pedic® pressure-relieving and cooling materials to deliver the right combination of pressure relief and support. Materials: Ventilated Advanced Relief® Material - 2" Hybrid Technology, 1,000+ Intellicoil; coil gage: 16.5 BOX SPRING:Engineered to support your Tempur-Pedic® mattress, and upholstered in matching grey fabric, with a perfectly solid, flat surface at a height that's right for you. Materials: MDF boards