Memory Foam Mattresses: Memory foam (viscoelastic) mattresses use a high-density polyurethane foam as the support system, in the upholstery layer or both. This foam contours closely to the shape of the sleeper.
Innerspring Mattresses: An innerspring mattress uses a steel coil support system. There are several types of spring systems, including those with springs connected into a single unit and units with individually wrapped pocketed coils. The spring shapes, designs, coil gauge and number of coils in a mattress can vary.
Hybrid Mattresses: A hybrid mattress combines a steel coil support system with one or more types of foam, such as polyurethane, memory (viscoelastic) or latex, as well as foams that contain gel or other materials.
Latex Mattresses: Latex mattresses use latex foam as the support system, in the upholstery layers or both. Latex may be made from plant- or petroleum-based materials.
Specialty Foam Mattress: Specialty foam mattresses use one or more types of foam as the support system. The foam may be polyurethane, memory (viscoelastic) or latex, and can contain gel or other materials.
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