Keep cool and feel the extra support of the plush 14" Respond Series memory foam California king mattress. Designed to respond to your temperature and touch, Respond 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.