For an airy, cool feel with just the right amount of firmness, the Serta iComfort CF3000 CFM mattress is a dreamy sleep solution. Every iComfort mattress is made with exclusive Carbon Fiber Memory Foam, which channels heat away from your body and provides exceptional strength for back and neck support. Plus, a bonus layer is specially engineered to absorb excess heat. Made from high performance fibers, its Max Cool cover gives you an instant cool-to-the-touch sensation, and Deep Reaction Max Memory Foam offers a firm yet conforming feel to help alleviate aches and pains. At the core, a Serta support system designed with premium foam features extra firm sides to reduce your chances of rolling off the bed. 10 Year Non-Prorated Warranty.