Fourth Of July Extra Firm Full Mattresses Sale

Celebrate restful nights and great savings during the Fourth of July extra firm full mattresses event. Discover unbeatable values on supportive sleep solutions designed to help you wake up refreshed. Whether you're upgrading your bedroom or searching for a firmer feel, this event makes it easy to find the perfect fit for your sleep style. Enjoy limited-time offers and experience how we make sleep easy™ all summer long.

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Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3226

Starting at

$510⁹⁹

$1360⁹⁹

$850 OFF

Extra Firm Comfort, best for

Back;Stomach Sleepers
Temperature;Pain;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1759

Starting at

$612⁹⁹

$1560⁹⁹

$948 OFF

Extra Firm Comfort, best for

Back;Stomach Sleepers
Temperature;Pain;Bed Partner;Toss and Turn;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Oasis Sleep 12" Extra Firm Mattress

851

Starting at

$735⁹⁹

$979⁰⁰

$244 OFF

Extra Firm Comfort, best for

Back;Stomach Sleepers
Pain;Temperature;Bed Partner;Toss and Turn;Toss and Turn
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Sleep Excellence Extra Firm Mattress

907

Starting at

$980⁹⁹

$1580⁹⁹

$600 OFF

Extra Firm Comfort, best for

Back;Stomach Sleepers
Pain;Toss and Turn;Pain;Temperature;Bed Partner
Toss and Turn
Pain

FREE ADJUSTABLE BASE ³ with code ELEVATE

Stearns & Foster Estate 13.5" Extra Firm Mattress

1012

Starting at

$2049⁰⁰

$2349⁰⁰

$300 OFF

Extra Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn;Toss and Turn
Pain
Temperature

Receive $300 Instant Gift⁴ with purchase.

Beautyrest Black Series One 13.5" Extra Firm Mattress

643

Starting at

$1529⁰⁰

$1829⁰⁰

$300 OFF

Extra Firm Comfort, best for

Back;Stomach Sleepers
Pain;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Bed Partner
Temperature

$300 ⁶ adjustable base instant gift with purchase.

Dreamcloud PressureSmart Technology Extra Firm Pillow Top Mattress

Starting at

$1949⁰⁰

Extra Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn;Toss and Turn
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Posturepedic Plus Norman II 13" Ultra Firm Mattress

Starting at

$999⁰⁰

$1249⁰⁰

$250 OFF

Extra Firm Comfort, best for

Back Sleepers
Pain;Allergies;Pain;Bed Partner;Toss and Turn
Allergies
Pain

Receive $200 Instant Gift⁴ with purchase.

Sealy Posturepedic Elite Brenham II 14" Ultra Firm Mattress

Starting at

$1749⁰⁰

$1949⁰⁰

$200 OFF

Extra Firm Comfort, best for

Back Sleepers
Pain;Temperature;Allergies;Bed Partner;Toss and Turn
Temperature
Allergies

Receive $200 Instant Gift⁴ with purchase.

Kingsdown Wesley 15" Extra Firm Mattress

Starting at

$3129⁰⁰

$3729⁰⁰

$600 OFF

Extra Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn;Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Celebrate your independence from restless nights during our Fourth of July extra firm full mattresses event! At Mattress Firm, we’re offering deep discounts on extra firm full-size mattresses designed to provide exceptional support and unmatched comfort. This limited-time Fourth of July mattress promotion is the best opportunity of the year to upgrade your bedroom and enjoy a healthier night’s sleep. Extra firm full mattresses are ideal for back sleepers, stomach sleepers, or anyone who needs robust spinal alignment and prefers a sturdier sleep surface. Take advantage of our special holiday pricing on trusted brands like Serta, Sealy, and Beautyrest—famous for durability and reliability in extra firm mattress design.

Browse our expansive online inventory or visit a Mattress Firm location near you to test your new extra firm full mattress in person. Our Fourth of July event features exclusive savings across a wide range of extra firm full mattresses, with added bonuses like fast delivery and flexible financing options. Experience cooler sleep, reduced partner disturbance, and total body support while still having room to stretch out in comfort on your new full-size mattress. Whether you're refreshing a guest room or upgrading your own bed to an extra firm model, now is the perfect time to save. Don’t miss out—shop Mattress Firm’s Fourth of July extra firm full mattresses feature before these offers disappear!

Q: What are the benefits of choosing an extra firm mattress?
A: Extra firm mattresses provide enhanced support, promote proper spinal alignment, and can help reduce pressure on your back and joints. They are often recommended for stomach and back sleepers who need a stable, supportive surface.
Q: Who should consider sleeping on an extra firm mattress?
A: Extra firm mattresses are ideal for individuals who prefer a sturdy sleeping surface or experience back pain. They are especially suitable for back and stomach sleepers, as well as heavier individuals who require more support.
Q: How does an extra firm mattress differ from other firmness levels?
A: An extra firm mattress offers minimal sinkage and a solid feel compared to medium or plush mattresses. This level of firmness helps keep your body elevated and aligned, while softer mattresses allow for more contouring and cushioning.
Q: Are there specific materials used in extra firm mattresses?
A: Extra firm mattresses can be made from various materials such as high-density foam, innerspring coils, or hybrid constructions. These materials are designed to provide maximum support and durability without excessive cushioning.
Q: Why shop for an extra firm full mattress during the Fourth of July event?
A: The Fourth of July event is a great opportunity to find special promotions on extra firm full mattresses. Shopping during this time allows you to take advantage of limited-time offers while upgrading your sleep comfort.