With the iComfort by Serta mattress, cool, supportive sleep is the priority. We ve specifically designed this mattress to keep even the warmest sleepers cool. With iComfort, multi-layered mattress-cooling foam technology adds support, resilience, and temperature regulation for the coolest, most comfortable sleep ever. You don t have to be a hot sleeper to love iComfort. You just have to like your sleep environment to be refreshingly comfy. Comfort CF1000 iComfort CF3000 iComfort CF4000 Extra Cooling Extra Cooling Pressure Point Relief The perfect balance of cool and comfortable. For those who like to take the heat off their sleep. You prefer your sleep cool, calm, and full of pressure relief. 10 Carbon Fiber Memory Foam system channels heat away from your body. Simple, yet sturdy, materials for a practical price tag. Available in medium. 12 Everything in the iComfort, plus UltraCold System absorbs excess heat from your body and channels it away. Max Cold Cover is cool-to-the-touch. Available in medium. 13.5 Everything in the Extra Cooling model, plus Air Support Foam moves with your body and contours around it to help alleviate aches and pains caused by pressure points. Available in firm and plush.