Labor Day Sale On Firm King Size Mattresses

Labor Day savings on firm king size mattresses make it easier than ever to upgrade your sleep space. Explore supportive mattresses designed for those who prefer a firmer feel and extra room to stretch out. Whether you’re refreshing your primary bedroom or creating a restful guest suite, now is the perfect time to find a king size mattress that fits your needs and budget. Take advantage of special offers and enjoy a better night’s rest with comfort you can count on.

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Beautyrest PressureSmart 2.0 Firm 11" Mattress

Starting at

$1100⁰⁰

$2200⁹⁹

$1100 OFF

Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's Basic Memory Foam Firm Mattress

3095

Starting at

$300⁷⁷

$1000⁹⁹

$700 OFF

Firm Comfort, best for

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

Sleepy's Basic Innerspring Firm Mattress

8604

Starting at

$220⁹⁹

Firm Comfort, best for

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

Sleepy's Rest Firm 2.0 Innerspring Mattress

6944

Starting at

$1250⁹⁹

Firm Comfort, best for

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

Beautyrest BR800 11.25" Firm Mattress

2205

Starting at

$1300⁹⁹

Firm Comfort, best for

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

Serta Perfect Sleeper Nurture Night 12" Firm Mattress

1129

Starting at

$999⁰⁰

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

Tulo Bamboo 6" Firm Green Tea Memory Foam Mattress

5498

Starting at

$232⁹⁹

$730⁹⁹

$498 OFF

Firm Comfort, best for

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

Nectar Classic 12" Firm Memory Foam Mattress

215

Starting at

$899⁰⁰

$1399⁰⁰

$500 OFF

Firm Comfort, best for

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

Sealy Essentials Spruce 5.5" Firm Mattress

1370

Starting at

$950⁹⁹

Firm Comfort, best for

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

Tempur-Pedic TEMPUR-ProAdapt 2.0 12" Firm Mattress

4802

Starting at

$4099⁰⁰

Firm Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

Beautyrest Black Series Three 15" Firm Mattress

2113

Starting at

$4199⁰⁰

$4799⁰⁰

$600 OFF

Firm Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Purple RestorePlus 13" Firm Hybrid Mattress

1667

Starting at

$4099⁰⁰

$4399⁰⁰

$300 OFF

Firm Comfort, best for

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

Tempur-Pedic TEMPUR-LuxeAdapt 2.0 13" Firm Mattress

1406

Starting at

$5399⁰⁰

Firm Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

Serta Perfect Sleeper Oasis Sleep 14.5" Firm Pillow Top Mattress

1123

Starting at

$1399⁰⁰

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

Sleepy's By Sealy Slumber Firm Mattress

693

Starting at

$1700⁹⁹

Firm Comfort, best for

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

Serta Perfect Sleeper Pacific Peace 12" Hybrid Firm Mattress

241

Starting at

$1399⁰⁰

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

Take advantage of incredible savings during our Labor Day event on firm king size mattresses, designed to support your sleep and your budget. Our wide selection of firm king mattresses features top brands known for delivering exceptional comfort and spinal alignment, ensuring you wake up refreshed every morning. Whether you prefer memory foam, innerspring, or hybrid designs, you'll find unbeatable Labor Day promotions on the perfect king mattress to meet your unique sleep needs. Enjoy substantial discounts on best sellers like Tempur-Pedic, Serta, Sealy, and Beautyrest—all in a spacious king size that gives you plenty of room to stretch out.

This limited-time Labor Day event is the ideal opportunity to upgrade your bedroom with a luxurious yet supportive firm king size mattress at a fraction of the regular price. Shop online or visit one of our convenient Mattress Firm stores to take advantage of exclusive offers such as free delivery and risk-free trials on select models. Don't miss your chance to invest in durable construction and long-lasting firmness that helps reduce tossing and turning while offering proper back support. Our expert Sleep Experts are ready to assist you in choosing our most popular firm king size mattresses so you can enjoy better sleep with exceptional value this Labor Day weekend.

Q: What are the benefits of choosing a firm king size mattress during Labor Day promotions?
A: A firm king size mattress provides excellent support for your back and spine, making it ideal for those who prefer a sturdier sleep surface. Shopping during Labor Day events allows you to access a wide selection of these mattresses with special promotional offers, helping you find the right fit for your comfort needs.
Q: How do I know if a firm king size mattress is right for my sleep style?
A: Firm mattresses are generally recommended for back and stomach sleepers, as they help maintain proper spinal alignment. If you wake up with aches or prefer less sinkage, a firm king size mattress may be a great choice for your sleep style.
Q: Are there different types of firm king size mattresses available during Labor Day events?
A: Yes, during Labor Day events you'll typically find various types of firm king size mattresses, including innerspring, memory foam, hybrid, and latex options. Each type offers unique features and benefits to suit different preferences.
Q: Can I try out firm king size mattresses in-store before making a decision during Labor Day promotions?
A: Many Mattress Firm locations allow customers to test out different firmness levels in-store. This hands-on experience can help you determine which firm king size mattress feels most comfortable before taking advantage of Labor Day promotional offerings.
Q: What should I consider when selecting a firm king size mattress during the Labor Day event?
A: When choosing a firm king size mattress, consider factors such as your preferred sleeping position, any specific support needs, material preferences, and whether you share the bed with a partner. Taking these into account will help ensure you select the best mattress for restful sleep.