Glossary
Mattress specs are full of jargon, from spring counts to foam density. Knowing what the terms mean makes it easier to compare two mattresses and see what actually differs.
Base Layer
The foundational layer that supports the comfort layers.
Breathability
The ability of a mattress to allow air circulation.
Certifications
Certifications verifying the quality and safety of materials.
Coil Count
The number of coils in an innerspring mattress.
Durability
The longevity and lifespan of a mattress.
Edge Support
The strength of a mattress's edges to support weight without collapsing.
Euro Top
A mattress with an additional layer of padding sewn into the top.
Foam Density
The mass per unit volume of foam used in mattresses.
Foundation
A solid or slatted structure to support a mattress.
Gauge
The thickness of the wire used in mattress coils.
Hypoallergenic
Materials or treatments used to prevent allergic reactions.
Microcoils
Small, individually wrapped coils used in the comfort layers of some mattresses for added support and comfort.
Motion Isolation
The ability of a mattress to absorb motion and prevent it from transferring across the bed.
Off-Gassing
The release of volatile organic compounds (VOCs) from a new mattress.
Open-Cell Foam
Foam with an open-cell structure to enhance airflow.
Organic
Made from materials grown without pesticides and chemicals.
Phase Change Material
Materials used to absorb and dissipate heat.
Pressure Relief
The ability of a mattress to alleviate pressure points on the body.
Refunds
The money returned to a customer after a return.
Sagging
The tendency of a mattress to lose its shape and support over time.
Sleep Trial
A period during which a customer can try a mattress before committing.
Spinal Alignment
The alignment of the spine while lying down.
Thickness
The height or depth of a mattress.
Tufting
The method of securing layers of fabric with threads or yarns.
Warranty
A guarantee provided by the manufacturer against defects.
Zoned Support
Specific areas of a mattress designed to provide targeted support.