Indicates the main composition of the mattress, such as innerspring or memory foam. Some so-called "hybrid" innersprings include one or more levels of foam on top.

The Sealy Posturepedic Hybrid mattress is offered in two firmness models, a soft model and a firm model. In our testing, we found the soft model to be a medium in terms of firmness. If you are ...

Indicates the main composition of the mattress, such as innerspring or memory foam. Some so-called "hybrid" innersprings include one or more levels of foam on top.

Though Sealy offers a variety of mattresses, we decided to keep it simple and test its flagship product, the Sealy Posturepedic Hybrid mattress ... the soft model has a medium firmness.