ThermoBalance® cover combines a proprietary blend of cooling yarns with Tencel® for a cool-to-the-touch sleep surface and improved hygiene. Air-flow border for drier and cooler sleeping environment. Ultra-premium gel-infused latex and memory foams provide the balance of superior support and luxurious comfort with the coolness of gel. Designed for hot sleepers who struggle with heat because of personal body temperature, room temperature, sleeping partner, medical conditions or a mattress with heat retaining properties. Layers Quilt Layer ThermoBalance® quilted cover Comfort and Support Layers ½” of Premium latex 1” of Ultra-premium gel infused memory foam 1” of Premium high density support foam Support Core 8” Foam Encased Zoned Wrapped Coils Center third of the unit is reinforced with a heavier gauge coil for added support and durability