Cal King Systems

Cal King Systems offer a spacious and comfortable sleep solution for those seeking extra room to stretch out and relax. Designed to fit larger bedrooms, these systems provide ample space for couples or individuals who value both comfort and style in their sleep environment. Explore a wide selection of Cal King Systems to find the perfect match for your home and enjoy the benefits of a restful night’s sleep on a generously sized bed.

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Sleepy's Deluxe Comfort Cool Mattress Protector

3608

Starting at

$180⁹⁹

Temperature;Allergies
Allergies

Save $150 when you bundle¹⁰. Use Code: DELUXE

Sleepy's Signature Platform Frame

Starting at

$190⁹⁹

Sleepy's Basics Waterproof Mattress Protector

2183

Starting at

$70⁹⁹

Temperature;Allergies
Allergies

Save $50 when you bundle¹⁰. Use Code: BASIC

Sleepy's Deluxe Cool Stretch Sheet Set

Starting at

$180⁹⁹

Temperature;Allergies
Allergies

Save $150 when you bundle¹⁰. Use Code: DELUXE

Tempur-Pedic TEMPUR-Protect Breeze Mattress Protector

774

Starting at

$309⁰⁰

Sleepy's Rest Firm 2.0 Innerspring Mattress

6904

Starting at

$1250⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn

Tempur-Pedic TEMPUR-Ergo ProSmart Adjustable Base

Starting at

$3399⁰⁰

Calm app 3-month free trial with mattress purchase & registration

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2709

Starting at

$1500⁹⁹

Plush Comfort, best for

Side Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3202

Starting at

$1700⁹⁹

Extra Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 11.25" Firm Mattress

2183

Starting at

$1300⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ with code ELEVATE

Stearns & Foster Estate 14.5" Firm Mattress

1635

Starting at

$2999⁰⁰

Firm Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase.

Sleepy's 3" Gel Memory Foam Mattress Topper

370

Starting at

$190⁹⁹

$270⁹⁹

$80 OFF

Medium Comfort,

Pain;Bed Partner;Temperature;Toss and Turn

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1817

Starting at

$1500⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's Elite Adjustable Base

1104

Starting at

$1700⁹⁹

Save $299 with qualifying mattress purchase. Code: ELEVATE

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1742

Starting at

$2000⁹⁹

Extra Firm Comfort, best for

Back;Stomach Sleepers
Temperature;Pain;Bed Partner;Toss and Turn;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Bedgear Dri-Tec Mattress Protector

140

Starting at

$190⁹⁹

Pain;Bed Partner;Temperature;Allergies;Toss and Turn
Temperature

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1698

Starting at

$1000⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Purple Original Mattress

30139

Starting at

$1999⁰⁰

Medium Comfort, best for

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

Bedgear Ver-Tex Performance Mattress Protector

142

Starting at

$300⁹⁹

Pain;Bed Partner;Temperature;Toss and Turn

Sleepy's By Sealy Slumber Cushion Firm Mattress

271

Starting at

$560⁹⁹

$2000⁹⁹

$1440 OFF

Medium Comfort, best for

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

Sealy Essentials Winter Green 13" Plush Euro Pillow Top Mattress

545

Starting at

$1460⁹⁹

Plush Comfort, best for

Side Sleepers
Bed Partner;Pain;Temperature;Toss and Turn
Allergies
Temperature

Beautyrest BR800 12" Plush Euro Top Mattress

692

Starting at

$1400⁹⁹

Plush Comfort, best for

Side Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ with code ELEVATE

Bedgear StretchWick Mattress Protector

137

Starting at

$130⁹⁹

Temperature;Pain;Bed Partner;Allergies;Toss and Turn
Temperature

Hollywood Bed Frame Enforce Platform Frame

298

Starting at

$400⁹⁹

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

603

Starting at

$1380⁹⁹

Medium Comfort, best for

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

Bedgear Hyper-Cotton Sheet Set

100

Starting at

$250⁹⁹

Pain;Bed Partner;Toss and Turn
Allergies

Cal King Systems

A California King system is more than just a mattress—it's a thoughtfully designed sleep solution that caters to those who crave extra room to stretch out or who need a longer sleeping surface for optimal comfort. Measuring 72 inches wide by 84 inches long, Cal King systems are especially popular among taller sleepers who find standard king sizes just a bit too short. These systems are also an excellent choice for couples who value both space and individualized comfort, as many modern setups include split Cal King options that allow each partner to customize their side with independent adjustable bases. Imagine winding down after a long day, adjusting your bed to the perfect angle for reading or watching TV, and knowing that your partner can do the same without compromise. With spring approaching and daylight hours growing longer, many people are inspired to refresh their bedrooms—there’s no better time to consider upgrading to a mattress firm cal king system that can transform your nightly routine into a restorative experience.

When selecting a Cal King system, several key considerations come into play beyond just the dimensions. The variety of mattress types—ranging from plush memory foam that hugs your curves, to hybrid models that blend coils and foam for balanced support, to advanced cooling mattresses that help regulate temperature—means there’s a solution for every sleeper. Adjustable bases are a popular upgrade, offering features like zero-gravity positioning to relieve pressure on the lower back, under-bed lighting for nighttime convenience, and even massage settings for a touch of luxury. These features aren’t just about comfort; they can also support better health by improving circulation and reducing snoring. For families, a Cal King system is a practical option, providing ample space for parents and children to enjoy lazy weekend mornings together. And if you’re shopping for a thoughtful gift for newlyweds, parents, or anyone setting up a new home, a Cal King sleep system is a gesture that speaks volumes about care and comfort. As the season shifts and you think about spring cleaning and renewal, consider how a mattress firm cal king system can fit seamlessly into your lifestyle—whether you’re upgrading your own master suite or helping a loved one create their dream bedroom.

The versatility of Cal King systems makes them a standout choice for a wide range of sleep needs and room sizes. Whether you’re outfitting a spacious primary bedroom or seeking a sleep setup that accommodates pets or children who occasionally join you at night, the generous proportions of a Cal King system offer unmatched flexibility. With price points that range from accessible entry-level models to premium, technology-rich options, there’s a solution for every budget and preference. Many shoppers find that investing in a Cal King system pays dividends in quality of sleep and overall well-being, especially when paired with seasonally appropriate bedding and accessories. If you’re interested in exploring options that are tailored for the current season, you can find a curated selection of Cal King Fall Mattresses to keep your bedroom comfortable and inviting as the weather transitions. Whether you’re seeking enhanced support, personalized adjustability, or simply more room to relax, a Cal King system from Mattress Firm is designed to elevate your sleep experience for years to come.