The iComfort Acumen is a high-tech memory foam mattress introducing 4 great technologies. Starting at the surface of the mattress, a Thermo Cool yarn fabric cover with TENCEL fibers delivers supreme softness and improved airflow. A layer of new GFx Memory Foam incorporates heat-conducting graphene material for supple, body-conforming comfort and and an extra ability to whisk heat away from the body. Underneath that, breakthrough Cool Action Dual Effects foam provides sturdy, conforming body support and transports heat away from the mattress layers above it. Finally, the Pods gel-activated support layer features strategically placed macro-gel discs that work with the foam core to provide extra push-back support from the deepest parts of the mattress.