Sealy’s Hybrid range is renowned for innovation, with the added convenience of never needing to turn or rotate the mattres, ever! And the Dynamic 2300 is no exception. The mattress features Sealy’s most advanced spring unit to deliver the maximum support and comfort right up to the edge. Quantum Edge®, made up of 9 zonal areas, with an additional 800 mini springs creates a double layer of springs, providing a superior level of support to your body. Coupled with a Geltex comfort layer, the mattress is inherently breathable, allowing air to circulate through the mattress with ease to prevent overheating.