Back Support Cal King Mattresses

Discover the perfect blend of comfort and support with back support Cal King mattresses, designed to cater to those who prioritize a restful night's sleep. These generously sized mattresses provide ample space while focusing on delivering enhanced support for your back, helping you wake up refreshed and rejuvenated. Whether you're dealing with back discomfort or simply seeking an upgrade for your bedroom sanctuary, our selection offers diverse options tailored to meet your specific needs. Explore the possibilities of improved sleep quality with our range of back support Cal King mattresses and transform your nights into a restorative experience.

Sort & Filter

Sleepy's Rest Firm 2.0 Innerspring Mattress

6658

Starting at

$470⁹⁹

Firm Comfort, best for

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

Serta iSeries 2.0 Hybrid 2000 12.5" Firm Mattress

1728

Starting at

$2400⁹⁹

$3000⁹⁹

$600 OFF

Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Beautyrest Greenwood 10.5" Firm Mattress

3324

Starting at

$1300⁹⁹

Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Serta Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

1231

Starting at

$1300⁹⁹

$2000⁹⁹

$700 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2467

Starting at

$1500⁹⁹

Plush Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

2763

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 up to $499 value with code ELEVATE (must add base to cart)

Beautyrest BR800 11.25" Firm Mattress

1718

Starting at

$1300⁹⁹

Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Stearns & Foster Estate 14.5" Firm Mattress

1112

Starting at

$2799⁰⁰

$2999⁰⁰

$200 OFF

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.

Serta Perfect Sleeper Sleep Excellence Plush Mattress

692

Starting at

$1700⁹⁹

Plush Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1613

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 up to $499 value with code ELEVATE (must add base to cart)

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1529

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 up to 499 value with code ELEVATE (must add base to cart)

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1467

Starting at

$820⁹⁹

$1000⁹⁹

$180 OFF

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 up to $499 value with code ELEVATE (must add base to cart)

Sleepy's By Sealy Slumber Cushion Firm Mattress

245

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

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest BR800 12" Plush Euro Top Mattress

602

Starting at

$1400⁹⁹

Plush Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Sleepy's By Sealy Slumber Medium Mattress

131

Starting at

$2300⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest Silver BRS900 12" Plush Mattress

802

Starting at

$1700⁹⁹

Plush Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Tulo 12" Medium Firm Cooling Hybrid Mattress

140

Starting at

$1450⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Tulo 11" Medium Firm Cooling Hybrid Mattress

198

Starting at

$1300⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Tulo 13" Medium Firm Cooling Hybrid Mattress

165

Starting at

$1500⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Tulo 8" Firm Cooling Hybrid Mattress

Starting at

$900⁹⁹

Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Stearns & Foster Studio 14" Medium Mattress

1237

Starting at

$2199⁰⁰

$2399⁰⁰

$200 OFF

Medium Comfort, best for

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

Serta Perfect Sleeper Sleep Excellence Extra Firm Mattress

760

Starting at

$2000⁹⁹

Extra Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Purple RestorePlus Cool Touch 13" Hybrid Mattress

737

Starting at

$3999⁰⁰

$4299⁰⁰

$300 OFF

Medium Comfort, best for

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

$300 ^◇ adjustable base instant gift with purchase.

Beautyrest Silver BRS900-C 14.5" Medium Mattress

639

Starting at

$2000⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Purple RestorePremier Cool Touch 13" Hybrid Mattress

568

Starting at

$4699⁰⁰

$4999⁰⁰

$300 OFF

Medium Comfort, best for

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

$300 ^◇ adjustable base instant gift with purchase.

Sleepy's By Sealy Slumber Firm Mattress

520

Starting at

$1700⁹⁹

Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Back Support Cal King Mattresses

A California King mattress designed for back support can make a world of difference for those who value both restorative sleep and ample space to stretch out. The generous dimensions of a Cal King are ideal for couples, tall individuals, or anyone who enjoys sprawling out without bumping into the edge of the bed. As the nights grow cooler in September, the transition into autumn is the perfect time to reassess your sleep environment and invest in comfort that supports your well-being. Back support Cal King mattresses are engineered with features like targeted lumbar zones, reinforced edge support, and high-density comfort layers that cradle the body while maintaining proper spinal alignment. These thoughtful details can be especially beneficial for anyone who experiences stiffness or discomfort in the morning, or who needs a cal king mattress for back pain relief after long days at work, on the road, or managing the demands of daily life.

Selecting the right Cal King mattress for back support involves considering your unique sleep preferences and lifestyle needs. Side, back, and stomach sleepers each require a different balance of cushioning and firmness to keep the spine aligned and muscles relaxed. For couples, motion isolation and edge support can be crucial, ensuring that both partners enjoy uninterrupted rest throughout the night. Parents with children or pets who occasionally share the bed will appreciate the extra room a Cal King provides, making it a practical choice for growing families. And for those looking to give the gift of better sleep—whether for newlyweds setting up their first home, parents upgrading their master suite, or anyone recovering from injury or surgery—a supportive Cal King mattress is a thoughtful and lasting gesture. As you explore your options, pay attention to features like cooling technologies, hypoallergenic materials, and adjustable bases, which can further enhance your nightly routine and overall comfort.

A mattress is more than just a place to sleep—it’s an essential foundation for health and energy, especially as the seasons change and routines shift. When you invest in a back support Cal King mattress, you’re choosing a solution that adapts to your body’s needs night after night, helping you wake up refreshed and ready to take on the day. For those who prefer a firmer feel, which is often recommended for optimal back support, you may also want to explore our selection of Firm Back Support King Mattresses for additional options. Whether you’re seeking relief from chronic back pain, upgrading your sleep space for a new season, or simply looking for a mattress that supports your active lifestyle, the right Cal King can transform your sleep and your days, providing comfort, support, and peace of mind for years to come.