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Ellsworth | Firm

Ellsworth | Firm

Upgraded Traditional Mattress

Silver collection

266+ people bought

  • Pocketed Coils offers an Upgraded Support System including 2-Sided Edge Support and Motion Isolation
  • Good for All Sleeper Weights
Mattress height:
12"
Sleep type:
  • Back sleeping position

    Back

    Stomach sleeping position

    Stomach

  • Mattress type:

    Individual pocketed coil

    Comfort/Feel:

    Firm

    Size Size guide

    Twin

    $549.95

    Twin XL

    $579.95

    Full

    $679.95

    Queen

    $699.95

    King

    $999.95

    Split King

    $1,159.90

    Bed frame options

    Total Price
    $679.95

    In stock. Delivery by April 17

    Our benefits

    100-Night Trial

    Free One-Day Delivery

    10 Year Warranty

    Learn more

    Materials

    Construction of Mattress:

    5 Layer Design

    • 1.75” of Firm Support Foam Sewn into a ThermoBalance® Cooling Quilt
    • 1” Layer of R50 Firm Support Foam
    • 1” Layer of Support Foam
    • 768 Individually Pocketed Coil System with Quantum® Edge Steel Perimeter
    • 1” Layer of Durable Base Foam

    Certifications

    All foams meet CertiPUR-US® standards for content, emissions, and durability, and are analyzed by independent, accredited testing laboratories.

    Protected by a chemical-free and fiberglass-free fire barrier meeting 16 CFR 1633 and 16 CFR 1632 compliance

    Warranty

    This mattress is backed by a 10-year warranty from the manufacturer. For full details, please read our warranty information here.

    Where it’s made

    American Craftsmanship: Made in Oklahoma.

    Expert Assistance Awaits

    Get expert advice from our sleep specialists to ensure your best night’s sleep.


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    Prefer a Personal Touch? Book Your In-Store Visit to discover mattresses and sleep essentials customized for your comfort.

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    Discover the Comfort Layers in Our Mattress

    The Ellsworth | Firm features a 768 Quantum® coil system and dual-sided edge support for superior motion isolation. Layers of 1.75” Firm Support Foam, R50 Foam, and Support Foam provide optimal spinal alignment and pressure relief, ideal for back and stomach sleepers. Enjoy cool, comfortable sleep with the ThermoBalance® Cooling Quilt and breathable foam, all supported by a durable base foam for longevity.

    layers
    firmness

    Firmness Scale

    1-3

    3-4

    4-6

    6-8

    8-9

    9-10

    Plush

    Medium-Plush

    Medium

    Medium-Firm

    Firm

    Extra-firm

    support

    Support

    Low

    Medium

    High

    circulation

    Pressure Relief

    Basic

    Average

    Advanced

    circulation

    Air Circulation

    Good

    Better

    Best

    Customer Reviews

    Discover what our customers say about Mattress King.

    4.9

    1,506 reviews

    Frequently Asked Questions

    What is the Quantum Edge steel support in mattresses?

    The Quantum Edge steel support in mattresses features a unique construction with narrow-diameter thicker gauge wire Quantum coils at the sides, head, and foot. This design enhances edge support, offering a firmer and more supportive edge than traditional mattresses. The Quantum Edge system replaces foam encasement, providing a sturdy seating edge and expanding the usable sleep surface. The Quantum steel narrow coils that provide the edge support allow the mattress to be a little more flexible compared to foam encased edge support when using on an adjustable base. Additionally, its design promotes 28% more airflow and breathability when comparing to a foam encased edge support, contributing to a comfortable sleep experience.

    What are the benefits of a ThermoBalance® Cooling Quilt in mattresses?

    The ThermoBalance® Cooling Quilt is a specialized fabric integrated into mattresses, designed to enhance sleep quality by regulating body temperature. Made from viscose derived from wood pulp, it features unique hollow fibers that naturally wick away moisture. This advanced technology helps to dissipate body heat, maintaining a the