The famous Chiroflow Waterbase technology makes our new memory foam pillow the perfect pillow for neck pain and quality of sleep. Completely adjustable by adding or removing water from the base. Our memory foam is infused with cooling gel and specially ventilated to provide cooler comfort than ordinary memory foam pillows. It may just be the perfect memory foam pillow! Cooler, softer and fully adjustable. No other memory foam pillow has all of these properties.