Serta® iSeries NXG™—the next generation of comfort. Designed with a series of benefits for the sleep you want. Experience immediate cooling, instant pressure relief, and ideal support for a deeper, more restful sleep at a price that makes sense. Featuring high-density NXG™ Memory Foam and a supportive foam core for deep, contouring pressure relief. CoolFeel™ Cover A cool-to-the-touch CoolFeel™ cover provides immediate cooling, directly from the mattress surface, so you can fall asleep faster Carbon Fiber Memory Foam Contours as it cools to relieve pressure and channel heat away from the body for a more restful night’s sleep NXG Memory Foam Innovative, high-density, premium memory foam for deep, contouring pressure relief Foam Core with Ultimate Edge™ Support Premium, high-density foam core surrounded with Ultimate Edge™ Support for lasting, edge-to-edge mattress stability
