You can choose from four different firmness options — Plush, Medium, Firm ... luxury mattress) and a 10 year warranty. The key difference between the Beautyrest Black and the Beautyrest Black ...

The Beautyrest Harmony Lux is a luxury innerspring ... the Extra Firm.) Meanwhile, back and combination sleepers will love the dense layers of memory foam of the Beautyrest Black Hybrid, which ...

Indicates how firm a mattress is on our scale from 1 to ... such as innerspring or memory foam. Some so-called "hybrid" innersprings include one or more levels of foam on top.