789 Quantum Edge System, Serene Foam, Gel - The Aspen Series mirrors the look of European elegance at an very affordable price. This series highlights the 789 Quantum Edge Individually Wrapped Coil system, which reduces motion transfer and provides a high level of personalized comfort. This series also features the gentle support of Serene (TM) foam which will cradle the sleeper without retaining body heat. This series is available in a Plush and Firm and will work on an adjustable base for the ultimate in personalized sleep.