Presidents Day Extra Firm Cal King Mattresses

Shop Presidents Day Extra Firm Cal King Mattresses to find the right fit for your bedroom and sleep preferences. Explore available sizes, styles and price points from Mattress Firm to make your mattress search simple.

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Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3296

Starting at

$709⁹⁹

$1699⁹⁹

$990 OFF

Extra Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1810

Starting at

$859⁹⁹

$1999⁹⁹

$1140 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Pain
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Oasis Sleep 12" Extra Firm Mattress

905

Starting at

$1109⁰⁰

$1399⁰⁰

$290 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Sleep Excellence Extra Firm Mattress

955

Starting at

$1449⁹⁹

$1999⁹⁹

$550 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Pain
Toss and Turn
Temperature
Bed Partner

FREE ADJUSTABLE BASE ³ with code ELEVATE

Stearns & Foster Estate 13.5" Extra Firm Mattress

1058

Starting at

$2799⁰⁰

$3099⁰⁰

$300 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Receive $300 Instant Gift⁴ with purchase.

Stearns & Foster Lux Estate 13.5" Extra Firm Mattress

897

Starting at

$3299⁰⁰

$3899⁰⁰

$600 OFF

Extra Firm Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase.

Beautyrest Black Series One 13.5" Extra Firm Mattress

697

Starting at

$2499⁰⁰

$2899⁰⁰

$400 OFF

Extra Firm Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Dreamcloud PressureSmart Technology Extra Firm Pillow Top Mattress

270

Starting at

$2649⁰⁰

Extra Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Posturepedic Plus Norman II 13" Ultra Firm Mattress

Starting at

$1499⁰⁰

$1899⁰⁰

$400 OFF

Extra Firm Comfort, best for

Back Sleepers
Pain
Allergies
Bed Partner
Toss and Turn

Receive $200 Instant Gift⁴ with purchase.

Sealy Posturepedic Elite Brenham II 14" Ultra Firm Mattress

Starting at

$2399⁰⁰

$2599⁰⁰

$200 OFF

Extra Firm Comfort, best for

Back Sleepers
Pain
Temperature
Allergies
Bed Partner
Toss and Turn

Receive $200 Instant Gift⁴ with purchase.

Kingsdown Wesley 15" Extra Firm Mattress

Starting at

$4199⁰⁰

$4799⁰⁰

$600 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Presidents Day is a smart time to shop for an extra firm California King mattress that gives couples more room to stretch out and provides a supportive sleep surface for larger bedrooms. At Mattress Firm, you can explore extra firm Cal king mattresses in a range of designs, including traditional innerspring, hybrid and foam models. An extra firm mattress may appeal to stomach sleepers, back sleepers and anyone who prefers a solid, stable feel with less sink. Compare mattress materials, cooling features, edge support and comfort technologies to find the right balance of support and pressure relief for your sleep style. A Presidents Day mattress can make it easier to upgrade to a spacious California King mattress while staying within your budget. Look for seasonal savings on extra firm mattresses from trusted brands and consider pairing your new mattress with a California King bed frame, adjustable base, mattress protector and sheets for a complete sleep setup. Mattress Firm Sleep Experts® can help you compare firmness levels, mattress dimensions and construction details so you can choose an extra firm Cal king mattress with the comfort and support you need for better zzz's. Explore available Presidents Day offers and find a mattress designed to help you sleep well so you can live well.

What does extra firm mean in a mattress? + -

An extra firm mattress has a notably solid, supportive feel with minimal cushioning and sink. Its comfort can vary based on the materials, construction and cover.

What materials are commonly used in extra firm mattresses? + -

Extra firm mattresses may include innersprings, high-density foam, memory foam or a combination of materials. The construction influences the mattress’s feel, support and surface comfort.

How should I choose an extra firm mattress during a Presidents Day event? + -

Compare each mattress’s construction, comfort description and available features. Consider whether you prefer a solid sleep surface and review the product details to find an option that matches your preferences.

Can an extra firm mattress have a cushioned surface? + -

Yes. Some extra firm mattresses pair a solid support core with quilted covers or comfort layers for a touch of surface cushioning while maintaining a firm overall feel.

How can I care for an extra firm mattress? + -

Use a compatible foundation, protect the surface with a mattress protector and follow the manufacturer’s care instructions. Regularly check the mattress and foundation to keep the sleep setup in good condition.