Simmons M25129 Beautyrest World Class Rose Hill Plush Firm 1000 Density BeautyrestSuper Pocketed CoilSprings BeautyEdge Total Surround Edge Support High Performance Supportive Foam Layers Supportive Latex Foam Layer The (optional) Tritonfoundation with a Power Beamfor 20% greater strength and reduced motion. See our Mattress Set matching item for the Triton foundation.