The NightsBridge Collection of Mattresses give you a luxurious mattress with out the luxury price. Features such as a five zone Individually Wrapped Coils, created with different spring densities for greater support when needed. A layer of Dynamic-Response Micro Coils for added support and cooling effects. Layers of comfort foam with emphasis on cooling, pressure relief and cushioning, featuring Graphite-Infused Memory Foam and Gel Infused Memory Foam, with a LumberZone Support Layer. These thick comfortable and supportive mattresses come in Firm, Plush and Pillow Top, a perfect bed awaits you.