The Rest Haven Gel Memory Foam Mattress Topper adds a layer of cooling comfort to any mattress. A topper is an affordable and easy way to upgrade and refresh your sleep. The moldable memory foam relieves pressure to customize your level of comfort. This topper is available in plush or medium-plush thicknesses in 2, 3, and 4-inch profiles. Cooling memory foam is infused with gel to help regulate body temperature. This creates a cool sleep environment while adding an extra layer of comfort.