The TEMPUR Sonata SmartCool™ pillow gives you tailored support and cooling comfort if you shift from side to side. Born from NASA technology and perfected for sleep, the Sonata SmartCool™ pillow is made from TEMPUR® Material. Inside, billions of ultra-sensitive cells precisely adapt to your natural curvature for gentle pressure relief. Our innovative SmartCool™ Technology cover is cool-to-the-touch and absorbs excess heat to keep you feeling cool and fresh, from the moment you lie down. Ideal for back and side sleepers, its curved design hugs your neck and shoulders as you turn, offering a softer feel and continuous support throughout the night. It’s available in different sizes to fit your individual needs, as you enjoy true, restful sleep.