Labor Day Sale On King Size Memory Foam Mattresses

Shop the Labor Day On King Size Memory Foam Mattresses at Mattress Firm to explore king size options at seasonal prices. Compare available mattresses to find the right fit for your bedroom and budget, then order online or visit a store to make your selection.

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Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3296

Starting at

$1699⁹⁹

Extra Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's By Sealy Memory Foam Medium Mattress

3474

Starting at

$889⁹⁹

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Bed Partner
Toss and Turn
Temperature

Sleepy's Basic Memory Foam Firm Mattress

3213

Starting at

$299⁷⁷

$999⁹⁹

$700 OFF

Firm Comfort, best for

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

Serta Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

1433

Starting at

$1999⁹⁹

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Toss and Turn
Temperature
Bed Partner

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest PressureSmart 2.0 Hybrid Medium 13" Mattress

1758

Starting at

$1474⁹⁹

$2949⁹⁹

$1475 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Bed Partner
Temperature
Allergies
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 11.25" Firm Mattress

2233

Starting at

$1299⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Stearns & Foster Estate 14.5" Firm Mattress

1809

Starting at

$2799⁰⁰

$3099⁰⁰

$300 OFF

Firm Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase.

Tulo Bamboo 10" Medium Green Tea Memory Foam Mattress

5555

Starting at

$889⁹⁹

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Bed Partner
Temperature
Allergies
Toss and Turn

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1810

Starting at

$1999⁹⁹

Extra Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Pain
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tulo Bamboo 8" Medium Green Tea Memory Foam Mattress

5555

Starting at

$809⁹⁹

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1745

Starting at

$1099⁹⁹

Medium Comfort, best for

Back, Side, Stomach Sleepers
Allergies
Bed Partner
Temperature
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Stearns & Foster Lux Estate Elite 16" Medium Euro Pillow Top Mattress

981

Starting at

$4099⁰⁰

$4699⁰⁰

$600 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Receive $300 Instant Gift⁴ with purchase.

Serta Perfect Sleeper Nurture Night 12" Firm Mattress

1186

Starting at

$999⁰⁰

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tulo Bamboo 6" Firm Green Tea Memory Foam Mattress

5558

Starting at

$259⁹⁹

$729⁹⁹

$470 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Nectar Classic 12" Firm Memory Foam Mattress

231

Starting at

$899⁰⁰

$1399⁰⁰

$500 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Serta Perfect Sleeper Nurture Night 13.5" Medium Mattress

1020

Starting at

$1099⁰⁰

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

A Labor Day is a smart time to shop king size memory foam mattresses and upgrade the comfort of your bedroom. A king memory foam mattress gives couples plenty of room to stretch out, while supportive foam layers can help cushion pressure points and reduce motion transfer for more restful zzz’s. Whether you prefer a softer mattress that gently contours to your body or a firmer feel with more supportive comfort, Mattress Firm makes it easier to compare king size memory foam mattresses from trusted brands and find the right match for your sleep style. Explore Labor Day mattress to find savings on king size mattresses, memory foam beds and complete sleep solutions for your home. Along with choosing the right comfort level, consider features such as cooling materials, responsive support, edge support and mattress height to create a sleep setup that feels comfortable night after night. Mattress Firm Sleep Experts® can help you understand the differences between memory foam mattress options, compare available king size mattress and make the most of your Labor Day purchase. With the right mattress, you can sleep well so you can live well.

What is a memory foam mattress made of? + -

A memory foam mattress typically includes layers of polyurethane foam, including a pressure-responsive memory foam comfort layer and supportive foam beneath it. Some models also feature cooling fabrics, gel infusions or breathable designs.

What types of foundations work with a memory foam mattress? + -

Memory foam mattresses generally work with a solid platform bed, slatted foundation or adjustable base designed for mattress support. Check the mattress and foundation guidelines to confirm compatibility.

How should I care for a memory foam mattress? + -

Use a breathable mattress protector, rotate the mattress if recommended by the manufacturer and keep it on a supportive foundation. Avoid folding or bending it unless the care instructions specifically allow it.

What bedding works best with a memory foam mattress? + -

Look for fitted sheets with pockets deep enough to fit the mattress profile, along with breathable bedding made from materials such as cotton, linen or bamboo-derived fibers. A mattress protector can help keep the sleep surface clean.

What features should I look for during a Labor Day on memory foam mattresses? + -

Compare the mattress construction, foam layers, cover materials, foundation compatibility and comfort options. Reviewing these features can help you choose a memory foam mattress that aligns with your preferences.