Labor Day Sale On California King Medium Mattresses

Find the right balance of comfort and support with the Labor Day On California King Medium Mattresses at Mattress Firm. Explore California king mattresses with a medium feel in a range of styles and price points, making it easier to find an option that suits your space, sleep preferences and budget.

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Sleepy's By Sealy Memory Foam Medium Mattress

3474

Starting at

$589⁹⁹

$889⁹⁹

$300 OFF

Medium Comfort, best for

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

Serta Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

2615

Starting at

$839⁹⁹

$1499⁹⁹

$660 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

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 BR800 13.5" Medium Pillow Top Mattress

1863

Starting at

$819⁹⁹

$1499⁹⁹

$680 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1745

Starting at

$809⁹⁹

$1099⁹⁹

$290 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Purple Original Mattress

59743

Starting at

$1760⁰⁰

$2199⁰⁰

$439 OFF

Medium Comfort, best for

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

Sleepy's By Sealy Slumber Cushion Firm Mattress

301

Starting at

$1999⁹⁹

Medium Comfort, best for

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

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.

Sleepy's By Sealy Slumber Medium Mattress

175

Starting at

$709⁹⁹

$2299⁹⁹

$1590 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

603

Starting at

$739⁹⁹

$1379⁹⁹

$640 OFF

Medium Comfort, best for

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

Nectar Premier 13" Medium Memory Foam Mattress

486

Starting at

$1099⁰⁰

$1799⁰⁰

$700 OFF

Medium Comfort, best for

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

Nectar Luxe 14" Medium Memory Foam Mattress

238

Starting at

$1649⁰⁰

$2249⁰⁰

$600 OFF

Medium Comfort, best for

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

Serta Perfect Sleeper Nurture Night 13.5" Medium Mattress

1020

Starting at

$939⁰⁰

$1099⁰⁰

$160 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Oasis Sleep 14.5" Pillow Top Mattress

1009

Starting at

$1139⁰⁰

$1399⁰⁰

$260 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Black Series Two 16.5" Medium Pillow Top Mattress

293

Starting at

$3699⁰⁰

$4099⁰⁰

$400 OFF

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Tempur-Pedic TEMPUR-ProAdapt 2.0 12" Medium Hybrid Mattress

5970

Starting at

$3799⁰⁰

$4199⁰⁰

$400 OFF

Medium Comfort, best for

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

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

A Labor Day is a smart time to shop for a California King medium mattress that combines spacious comfort with balanced support. Designed for couples, tall sleepers and anyone who enjoys extra room to stretch out, a California King mattress typically measures 72 inches wide by 84 inches long. Medium mattresses offer a versatile feel that can help cushion pressure points while providing the supportive sleep surface many back, side and combination sleepers prefer. Explore options from trusted mattress brands at Mattress Firm to find a California King medium mattress with features such as cooling materials, responsive coils, memory foam comfort and targeted support. Shop the Labor Day mattress to compare California King medium mattresses in a range of materials, technologies and price points. Look for a mattress that supports your preferred sleep position, helps promote comfortable spinal alignment and works well with your existing California King bed frame or adjustable base. With convenient online shopping, expert guidance and flexible delivery options, Mattress Firm makes it easier to find the right California King mattress for better zzz's. availability, pricing and promotions may vary, so review current offers and mattress details before making your purchase.

What does medium firmness mean in a mattress? + -

A medium mattress offers a balanced feel between plush and firm, making it a versatile choice for sleepers who want cushioning with a supportive surface.

What mattress materials are available in a medium feel? + -

Medium mattresses are available in materials such as memory foam, innerspring coils and hybrid designs that combine foam comfort layers with coil support.

How do I choose the right comfort layers in a medium mattress? + -

Consider whether you prefer the contouring feel of memory foam, the responsive feel of latex or the breathable, buoyant feel of a hybrid mattress.

What type of foundation works with a medium mattress? + -

A compatible foundation, platform bed or adjustable base can provide the right support. Always check the mattress manufacturer's recommendations before selecting a foundation.

How can I care for a medium mattress? + -

Use a breathable mattress protector, rotate the mattress if the manufacturer recommends it and keep the surface free of moisture and debris. Follow the care instructions for the specific mattress materials.