Comfort & JOY MemoryCloud Warm & Cool Mattress Topper So you're almost there ... closer to your perfect bed. What's left that would make it heavenly? You've got the latest in home fashion linens covering your bed so now all you need is what's underneath the pretty patterns and colors. Which brings you to this super mattress topper that not only supports and comforts you with memory foam, it also maximizes your preference towards warm or cool sleep. Designed to simplify your lifestyle, this special set completes your search.