How long does a hybrid like this last?

It earns a solid 8.1 out of 10 for durability. The support core is 1000 individually pocketed coils of heavy 13.75-gauge tempered steel, which resists sag far better than thin budget coils, topped with high-density comfort foam that holds its shape against body impressions. Pocketed steel does not fatigue the way a solid foam core eventually can. Beautyrest backs it with a 10-year warranty against defects and sagging beyond tolerance.

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