Invigoration from great sleep is yours after sleeping on the 16'' Respond Series memory foam California king mattress. Since a cool feel is paramount, this mattress is designed to respond to your temperature and touch. Its ventilated gel infused memory foam is quilted and infused with innovative gel that helps create a cooler sleep surface. The support and comfort layers utilize foams that pull humidity and heat away from your body. In addition, feel pressure relief and sleep more soundly as the ventilated support foam and convoluted foam layers react to your movements as you sleep. You're sure to wake up feeling refreshed and restored.