Trusted Since 1951

Top results for ""

  ()

Popular searches

We're sorry, but your search did not produce any results.

Mattress Glossary

Shopping for a mattress can be a complicated task. Many times sales people will use words you don't quite understand or have never heard before. We have prepared this glossary of the top used mattress terms to help make shopping for a mattress an enjoyable experience.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Adjustable Bed

Type of bed that can be adjusted into various positions for the perfect comfort.

Bed Frame

Metal or wood frame that is used to support the mattress and foundation or box spring.

Box Spring

The frame or box under the mattress that provides additional support. Box springs contain many coils that provide support for the sleeper.

California King Mattress

A mattress that measures 72” X 84”.


Spirals of steel wire that make up the innerspring system of the mattress. Coils provide support for the sleeper.

Coil Count

The total number of coils in an innerspring mattress.

Comfort Layer

The quilt and upholstery layers of the mattress that contain the various foams that determine the comfort of the mattress.

Continuous Coil

Each row of coils is made from a single piece of wire. This promotes strength and stability.

Double Mattress

The same as a Full Size Mattress. Measures 53” X 75”.

Double Sided Mattress

A mattress that is designed so that both sides are able to be slept on. This makes flipping the mattress end-over-end possible.


Edge Break Down

Refers to the loss of support around the outer edge of a mattress. Over time it will seem like you’re rolling/sliding off of the mattress.

Edge Guard

Plastic mounted of the edges of a mattress that provide extra support and protects the mattress cover.

Euro Top Mattress

A mattress with an additional upholstery layer on the top that provides more cushioning for the sleeper. The way the layer is tailored differentiates a Euro Top and Pillow Top Mattress.

Fire Retardant

A material that is applied to the mattress in order to reduce its flammability. Since 2007, all mattresses in the United States are required to meet these standards.

Firm Mattress

A mattress that contains less foam and other materials. The sleeper sleeps closer to the innerspring system.


This term describes the overall “feel” of the mattress.


Rotating or turning your mattress. This will help reduce body impressions over time.

Foams and Fibers

Padding materials made of various components to enhance the cushioning or “feel” of the mattress.

Foam Encasement

Rails of stiff foam around the perimeter of the mattress. Foam encasement helps prevent against edge break-down and provides a larger sleeping area for the sleeper.


Provide the durability or support for modern, one-sided mattresses. Foundations and box springs perform the same function but are different. A foundation uses no moving parts or springs. Mattress foundations can be made from a variety of materials and are intended to provide support just as a box spring.


Full Mattress

A mattress that measures 54” X 75”.

Full XL Mattress

A mattress that measures 54” X 80”.


The thickness of the coils that make up the innerspring of a mattress. The lower the gauge, the thicker the wire. Innerspring mattresses are typically made from 12.5 to 17.0 gauge wire.


A mattress that combines the best parts of one mattress with the best parts of another. This could include memory foam and an innerspring system together as a single mattress.

Indention Force Deflection (IFD)

Measurement of the firmness of a piece of foam.


Occur when the upholstery and quilt layers of a mattress break down. Impressions describe the breakdown of the upholstery and quilt layers while sagging describes the breakdown of the coils in an innerspring mattress.

Innerspring Mattress

A mattress that is constructed around a core. Contains an innerspring system made of different sized steel coils surrounded by comfort materials.

King Mattress

A mattress that measures 76” X 80”.


Spongy material produced from rubber. Latex is typically used in high-end mattresses and has a variety of benefits for the user.

Low-Profile Box Spring

A box spring that is shorter than a traditional box spring. Low-Profile box springs provide the same support but compromise for the taller mattresses. Low-Profile box springs are typically 5.5 inches compared to 9 inches of a standard box spring.


Low-Profile Foundation

A foundation that is shorter than a traditional foundation. Low-Profile foundations provide the same support but compromise for the taller mattresses. Low-Profile foundations are typically 5.5 inches compared to 9 inches of a standard foundation.

Mattress Handles

Handles on the sides of a mattress that are made from fabric to help position the mattress on the foundation. Handles also make rotating the mattress an easier task.

Mattress Height

The measurement of the heighth of a mattress. Typically measured in inches.

Mattress Protector

Protectors, or pads, come in a variety of materials and styles. Ultimately they are designed to protect the mattress from stains, dust and debris.

Memory Foam

High-density polyurethane foam that conforms closely to the shape of the sleeper.

Motion Separation

The degree in which movements occurring on one side of the bed can be felt on the other side of the bed.

No-Flip Mattress

Modern mattresses that are constructed so that only one side is designed for sleeping. No-Flip mattresses must still be rotated but do not require end-over-end flipping.

Pillow Top Mattress

A mattress that features an additional upholstery layer at the sleep surface for more comfort and cushion. The way the layers are tailored differentiates a Pillow Top and Euro Top mattress.

Plush Mattress

A mattress very similar to a firm mattress in terms of construction but a plush mattress contains more cushioning for a softer feel.

Pro-Rated Warranty

A mattress warranty that doesn’t cover the full value of the mattress over time. The customer would then be required to pay the difference in price between the old mattress and the new mattress; part of which is covered under the warranty. Example: You pay $1000 for a mattress which has a 10 year warranty. After 6 years you have a problem with the mattress that requires you to purchase something new. You will have 4 years left on your warranty so will be given $400 towards the cost of a new mattress. $1000 / 10 = $100 per year. $100 * 6 = $600. $1000 - $600 = $400.


Queen Mattress

A mattress that measures 60” X 80”.


The top of the mattress that consists of the upholstery layers, fibers and cover.


Occurs when the springs of an innerspring mattress break down. Sagging describes the breakdown of coils while impressions describe the breakdown of the upholstery and quilt layers.


The term that refers to a mattress and box spring or mattress and foundation. A complete bed set.

Single Mattress

The same as a Twin Size Mattress. A mattress that measures 39” X 75”.

Support System

The part of the mattress that provides the support. A support system typically consists of an innerspring system or foam core center. Various types of support systems are available depending on the mattress manufacturer and line of mattress.

Tape Edge

This keeps the mattress together. The tape edge is the sewn part around the top and bottom of the mattress and foundation that holds the entire thing together.

Tight Top Mattress

Another name for a Firm mattress. Lacks the extra pillow fabric on top of the mattress.

Twin Mattress

A mattress that measures 39” X 75”.

Twin XL Mattress

A mattress that measures 39” X 80”.


A guarantee from the manufacturer that your mattress will remain in a certain condition based or normal use of the mattress. Warranties vary by manufacturer. You will receive a card with your mattress outlining the warranty and contact information for your mattress manufacturer. See Pro-Rated Warranty for more information regarding warranties through the manufacturer.