The Komfi Fusion Plus memory foam mattress features a unique four-deep combination of pressure-relieving memory foam technology to provide the optimal level of support combined with superior softness. The patented double-vent cooling system at work in the base layer ensures even the lightest of sleepers enjoys the soundest of nights. No sags in the middle, no drop off the edge. The Fusion Plus delivers expert support from the head-to-toe, and edge-to-edge. A deep, luxurious memory foam mattress that doesn’t compromise on support.