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.

Beautyrest Black Series Two 15.5" Medium Mattress

536

Starting at

$3499⁰⁰

$3899⁰⁰

$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.

Stearns & Foster Estate 14.5" Firm Mattress

1867

Starting at

$2899⁰⁰

$3099⁰⁰

$200 OFF

Firm Comfort, best for

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

$300 Instant Gift⁴ with purchase of a mattress set.

Beautyrest Black Series Four 17.25" Plush Summit Pillow Top Mattress

315

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.

Purple Original Mattress

59819

Starting at

$1899⁰⁰

$2199⁰⁰

$300 OFF

Medium Comfort, best for

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

Beautyrest Black Series Two 16.25" Plush Pillow Top Mattress

301

Starting at

$3699⁰⁰

$4099⁰⁰

$400 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Serta Perfect Sleeper Midsummer Nights 11" Plush Eurotop Mattress

933

Starting at

$999⁰⁰

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

604

Starting at

$1379⁹⁹

Medium Comfort, best for

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

Sleepy's By Sealy Slumber Cushion Firm Mattress

311

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

Kingsdown Crown Imperial 16" Firm Euro Top Mattress

136

Starting at

$5299⁰⁰

$6899⁰⁰

$1600 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Black Hybrid Series One 12.5" Firm Mattress

107

Starting at

$2499⁰⁰

$2899⁰⁰

$400 OFF

Firm Comfort,

Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Three 14.25" Extra Firm Mattress

299

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.

Sealy Essentials Winter Green 13" Plush Euro Pillow Top Mattress

549

Starting at

$1459⁹⁹

Plush Comfort, best for

Side Sleepers
Bed Partner
Pain
Temperature
Toss and Turn
Allergies

Sealy Frisco 2.0 Medium Euro Pillow Top Mattress

2424

Starting at

$799⁷⁷

$1599⁹⁹

$800 OFF

Medium Comfort, best for

Side, Back, Stomach Sleepers
Pain
Toss and Turn
Temperature

Kingsdown Crown Imperial 16" Plush Euro Top Mattress

185

Starting at

$6899⁰⁰

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Stearns & Foster Estate 14.5" Medium Mattress

706

Starting at

$2499⁰⁰

$2699⁰⁰

$200 OFF

Medium Comfort, best for

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

$300 Instant Gift⁴ with purchase of a mattress set.

Sealy Tanglewood 1.1 Medium Pillow Top Mattress

Starting at

$849⁹⁹

$1499⁹⁹

$650 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Pressure relief California King mattresses combine generous sleeping space with materials designed to cushion areas that carry more weight during the night. Measuring 72 x 84 inches, a California King offers extra length compared with a standard king, making it a practical choice for taller sleepers, couples who appreciate room to stretch out and anyone who shares the bed with a child or pet. A pressure relief mattress may use memory foam, responsive comfort foam, a specialized grid, individually wrapped coils or a combination of these materials to contour around the body. The goal is to ease pressure at common contact points such as the shoulders, hips and knees while keeping the spine in a more naturally aligned position. Side sleepers often appreciate a softer comfort layer that allows the shoulder and hip to settle into the mattress without creating a sharp buildup of pressure. Back sleepers may prefer a balanced surface that cushions the lower back while maintaining steady support through the midsection. Stomach sleepers generally benefit from a firmer, more supportive feel that helps limit excessive sinking around the hips. Personal comfort matters just as much as sleeping position, so consider how the mattress feels when you lie in your usual position rather than judging it only by its label. Someone who changes positions throughout the night may prefer a responsive surface that makes movement easier, while a sleeper who enjoys a deeper, more enveloping feel may gravitate toward contouring foam. A California King pressure relief mattress can also be a thoughtful upgrade for a guest suite, particularly when visitors range from shorter side sleepers to taller back sleepers and the spacious surface gives them room to settle in comfortably.

The construction of a pressure relief mattress affects both its feel and its performance over time. Memory foam is known for close contouring and can help absorb movement, which may be useful for couples with different schedules or pets that shift around during the night. Open-cell, ventilated or gel-infused foam may help promote airflow, while breathable covers and coil systems can provide additional space for heat to move away from the sleep surface. A mattress with dense foam may feel stable and supportive, but it can also retain more warmth than a design with ventilation or a coil core. Hybrid construction combines pressure-relieving foam with individually wrapped coils, offering a blend of cushioning, support and easier repositioning. Zoned support is another feature to consider because it can provide firmer reinforcement beneath the center of the body while allowing more give beneath the shoulders and legs. Specialized grids or elastic comfort materials may offer a responsive alternative to traditional foam, adapting beneath heavier areas while leaving open channels for airflow. Motion isolation is especially relevant on a California King because the larger surface can encourage each person to use a different part of the bed. Look for materials and construction that reduce the transfer of movement if one partner gets up early, turns frequently or shares the mattress with a restless pet. Firmness is personal and can be influenced by body type, sleeping position and the feel of the mattress underneath. A supportive mattress should not feel hard simply for the sake of being firm, and a plush mattress should not allow the body to sink so deeply that changing positions becomes difficult. During the cooler months, a comfortable pressure-relieving surface can make it easier to settle beneath the covers, while breathable materials remain useful for sleepers who tend to feel warm throughout the night.

Before choosing a pressure relief California King mattress, measure the room and account for walking space, nightstands, doors and other furniture. The mattress itself is 72 x 84 inches, but the complete bed will require additional room for its frame, headboard and access on each side. Check that the foundation or adjustable base is compatible with the mattress and can support its size and weight. If the mattress will be delivered compressed in a box, allow it time to expand according to the care instructions before evaluating its final feel. Review the available sleep trial, return policy, warranty, delivery terms and any setup or removal services, since moving a California King mattress requires planning and more than one person. Bedding is another practical consideration: deep-pocket sheets, a properly sized protector and a comforter made for a California King can help the new mattress fit into the rest of the room without constant shifting. Couples may want to agree on priorities such as firmness, cooling, edge support and motion isolation before shopping, especially when one person prefers a plush feel and the other prefers a more buoyant surface. For a different room size, shoppers can also explore Pressure Relief Full Size Mattresses. Whether the goal is to create a more comfortable primary bedroom, prepare a welcoming guest space or replace a mattress that no longer cushions the body as it once did, focusing on pressure relief materials, support, temperature regulation and fit can make the selection process clearer. The right California King mattress should give each sleeper enough space to move naturally, enough support to feel secure and enough comfort to make winding down feel easy.

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.