This is the Energise from Simmons. A firm feeling mattress, with an extra deep layer of Coolfibre provides a sleeping surface designed keep a constant temperature around the fluctuating temperatures of your sleeping body. The Active continuous spring system supports the body, produced with 30% recycled steel, and is excellent in preventing roll-together and roll-off. A breathable reverse panel cools the air in the mattress, keeping the mattress fresh throughout. Hand tufts hold the upholstered layers plumply in place. This mattress is ideal for any of the other bed frames or divans we sell.