ComforPedic Loft Beautyrest 5.5-Inch Supreme Gel Memory Foam Topper for All Bed Sizes. Combining the 4-Inch Revolutionary Memory Foam Infused with Cool, Rejuvenating Gel Paired with a 1.5-Inch Fiber-Filled Cover Offers Luxurious Comfort and Support. (King) Memory Foam is Resistant to Dust Mites, Naturally Antimicrobial and Fiberfill is Hypoallergenic. Temperature Sensitive Foam Adjusts to Your Body Temperature. Draws Uncomfortable Warm Air Away From Your Body. Eliminates Motion Transfer and Uncomfortable Pressure Points. Fiber Cover offers a Stretch-To-Fit 17-Inch Contour Skirt.