I was really excited about getting this pillow. I was also thoroughly disappointed after using it the first night.  I tried it several more nights hoping that the first night was a fluke.  It was not.  This pillow does not cool any better than other pillows I have used.  It's really lightweight, and soft.  It was too soft for me though.  I don't like when I lay on a pillow and it goes up to almost surround my head.  I woke up several times each night to flip the pillow to the cool side.  I'm not at all impressed.