Pressure Relief Cal King Mattresses

Explore Pressure Relief Cal King Mattresses at Mattress Firm to find a spacious sleep solution that fits your bedroom and personal comfort preferences. Shop a range of options in California King sizing and compare styles, feels and prices to find the right match for your sleep needs.

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Beautyrest BR800 13.5" Plush Pillow Top Mattress

2784

Starting at

$819⁹⁹

$1499⁹⁹

$680 OFF

Plush Comfort, best for

Side 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.

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

Sealy Essentials Winter Green 13" Plush Euro Pillow Top Mattress

548

Starting at

$779⁹⁹

$1459⁹⁹

$680 OFF

Plush Comfort, best for

Side Sleepers
Bed Partner
Pain
Temperature
Toss and Turn
Allergies

Beautyrest BR800 12" Plush Euro Top Mattress

735

Starting at

$569⁹⁹

$1399⁹⁹

$830 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

Tempur-Pedic TEMPUR-ProAdapt 2.0 12" Firm Mattress

4992

Starting at

$3799⁰⁰

$4199⁰⁰

$400 OFF

Firm Comfort, best for

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

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

Tempur-Pedic TEMPUR-ProAdapt 2.0 12" Medium Mattress

3858

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

Tempur-Pedic TEMPUR-Adapt 2.0 11" Medium Mattress

3651

Starting at

$2799⁰⁰

$2999⁰⁰

$200 OFF

Medium Comfort, best for

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

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

Tempur-Pedic TEMPUR-LuxeAdapt 2.0 13" Medium Hybrid Mattress

2260

Starting at

$5099⁰⁰

$5599⁰⁰

$500 OFF

Medium Comfort, best for

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

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

Beautyrest Black Series Three 15" Firm Mattress

2224

Starting at

$4199⁰⁰

$4799⁰⁰

$600 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Tempur-Pedic TEMPUR-LuxeAdapt 2.0 13" Soft Mattress

1525

Starting at

$5099⁰⁰

$5599⁰⁰

$500 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Bed Partner
Toss and Turn
Temperature

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

Beautyrest Black Series Three 16.75" Plush Pillow Top Mattress

1458

Starting at

$4599⁰⁰

$5199⁰⁰

$600 OFF

Plush Comfort, best for

Side Sleepers
Bed Partner
Pain
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Tempur-Pedic TEMPUR-LuxeAdapt 2.0 13" Firm Mattress

1449

Starting at

$5099⁰⁰

$5599⁰⁰

$500 OFF

Firm Comfort, best for

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

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

Beautyrest Silver BRS900-C 14.5" Medium Mattress

791

Starting at

$859⁹⁹

$1999⁹⁹

$1140 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Black Series Three 16.25" Medium Pillow Top Mattress

470

Starting at

$4599⁰⁰

$5199⁰⁰

$600 OFF

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Four 17.25" Plush Summit Pillow Top Mattress

305

Starting at

$5899⁰⁰

$6599⁰⁰

$700 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

A pressure relief California King mattress combines generous sleeping space with the comfort and support needed to reduce pressure at common contact points, including the shoulders, hips and lower back. With extra length compared with a standard king mattress, a California King mattress is a popular choice for taller sleepers, couples who want more room to stretch out and bedrooms with a longer layout. Look for pressure-relieving materials such as memory foam, TEMPUR-Material™ or responsive hybrid comfort layers that contour to the body while helping maintain balanced support. Side sleepers often prefer a softer California King mattress with cushioning around the shoulders and hips, while back and stomach sleepers may benefit from a medium-firm or firm mattress that helps promote a comfortably aligned sleep surface. The best pressure relief Cal King mattress for your home depends on your preferred sleep position, body type, comfort preferences and whether you share the bed with a partner. A California King hybrid mattress with individually wrapped coils can provide targeted support, airflow and responsive comfort, while an all-foam Cal King mattress may offer deeper contouring and motion isolation. Consider features such as edge support for a more usable sleep surface, cooling materials for hot sleepers and a compatible California King bed frame or adjustable base for a complete setup. Sleep Experts® can help you compare pressure-relieving California King mattresses and find the right combination of comfort and support so you can get better zzz's and live well.

What materials are commonly used in pressure relief mattresses? + -

Common materials include memory foam, latex, gel-infused foam and individually wrapped coils. Each material offers a different feel, from contouring and cushioning to responsive support.

What firmness options are available in pressure relief mattresses? + -

Pressure relief mattresses are available in soft, medium and firm feels. Your preferred sleeping position, body type and comfort preferences can help guide your choice.

Are pressure relief mattresses available with different comfort layers? + -

Yes. Comfort layers may include quilted fabric, plush foam, memory foam or latex. The combination and thickness of these layers influence the mattress's overall feel.

Can I choose a pressure relief mattress with a responsive feel? + -

Yes. Latex, hybrid designs and certain foam constructions can provide a more responsive feel, making it easier to change positions while still offering a cushioned surface.

What should I consider when selecting a pressure relief mattress? + -

Consider your preferred firmness, sleeping position, comfort materials, temperature preferences and whether you prefer a contouring or responsive feel. Trying different mattress feels in a store can also help you compare options.