SleepJoy 2-inch Temperature Regulating Gel Memory Foam Mattress Topper, Full TEMPERATURE REGULATING TECHNOLOGY THAT KEEPS YOU COMFORTABLE - The first premium memory foam mattress topper that regulates the temperature of your sleeping surface so youre never too hot or too cold WHEN YOURE HOT  The micro-gel beads with temperature cooling technology pulls excess heat from the sleeping surface and stores it to prevent overheating WHEN YOURE COLD - When your body temperature drops, stored heat is released back to the sleeping surface to keep you warm ADDED GEL SUPPORT MEANS COMFORT WHERE YOU NEED IT - Combining the micro-gel beads with the open-cell memory foam allows this premium density topper to sense the areas of your body that need the most support giving you personalized comfort you wont find in other memory foam toppers NANO-TEX COOLEST COMFORT COVER - The skirted and zippered removable cover breathes and wicks away moisture keeping you cool and dry all night long