This unique Flexapedic 3â€ Reversible Memory Foam Meattress Topper is cool on one side, warm at the other for comfort sleep throughout the year. The cooling side features 1-inch 2.5 lbs density gel infused with memory foam, the warming side has 1-inch 3 lbs density air sensitive memory foam. The center layer is 1-inch urethane memory foam with air mesh fabric that supports both sides. Bizarre memory foam changes shape to soft in hot weather, hard in cold weather. Thus it does now not offer the sleep comfort you wish to have. Our Flexapedic cooling to warming memory foam topper will make sure that a excellent night sleep all season long without getting too hard or too soft. As well as, a removable zipper closure mattress cover features proprietary â€œcooling to touchâ€ side for summer use and neutral temperature fabric at the reverse for winter season. Mattress cover is mechanically cleanable for optimal comfort.