Cal King Responsive Support Mattresses

Discover unparalleled comfort and support with our selection of cal king responsive support mattresses, designed to enhance your sleep experience. Perfect for those seeking a spacious sleeping surface without compromising on quality, these mattresses offer an ideal blend of responsiveness and support to cater to your unique sleep needs. Whether you’re a back, side, or stomach sleeper, the cal king responsive support mattresses provide an optimal balance of firmness and cushioning, helping you wake up refreshed and ready to take on the day. Explore our collection to find the perfect mattress that suits your lifestyle and transforms your bedroom into a restful sanctuary.

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Serta Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

2526

Starting at

$1500⁹⁹

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 Greenwood 10.5" Firm Mattress

3331

Starting at

$520⁹⁹

$1300⁹⁹

$780 OFF

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)

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2564

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

3046

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

2057

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)

Serta Perfect Sleeper Sleep Excellence Plush Mattress

722

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)

Sealy Essentials Sudley 8.5" Firm Mattress

961

Starting at

$1000⁹⁹

Firm Comfort, best for

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

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1715

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

1637

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

1614

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

Purple Original Mattress

29991

Starting at

$1999⁰⁰

Medium Comfort, best for

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

Sleepy's By Sealy Slumber Cushion Firm Mattress

247

Starting at

$2000⁹⁹

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)

Sealy Essentials Winter Green 13" Plush Euro Pillow Top Mattress

540

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

645

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)

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

596

Starting at

$1380⁹⁹

Medium Comfort, best for

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

Sleepy's By Sealy Premium Memory Foam Mattress

162

Starting at

$1150⁹⁹

$2300⁹⁹

$1150 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;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)

Beautyrest Silver BRS900 12" Plush Mattress

973

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)

Serta Perfect Sleeper Nurture Night 14.5" Pillow Top Mattress

923

Starting at

$1249⁰⁰

Plush Comfort, best for

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

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

Nectar Premier 13" Medium Memory Foam Mattress

179

Starting at

$1099⁰⁰

$1799⁰⁰

$700 OFF

Medium Comfort, best for

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

Nectar Classic 12" Firm Memory Foam Mattress

161

Starting at

$849⁰⁰

$1399⁰⁰

$550 OFF

Firm Comfort, best for

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

Serta Perfect Sleeper Elkins III 10" Firm Mattress

1549

Starting at

$1200⁹⁹

Firm Comfort, best for

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

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

Serta Perfect Sleeper Nurture Night 13.5" Medium Mattress

830

Starting at

$1099⁰⁰

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn;Toss and Turn
Bed Partner
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 Gel Memory Foam Zoned Support Mattress Topper

104

Starting at

$90⁹⁹

Medium Comfort,

Pain;Bed Partner;Temperature;Toss and Turn

Tulo 10" Medium Cooling Hybrid Mattress

121

Starting at

$1250⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;Allergies;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)

Cal King Responsive Support Mattresses

Choosing a Cal King responsive support mattress is more than just upgrading to a larger sleeping surface—it's about embracing a sleep experience that intuitively adapts to your body’s unique needs. With dimensions of 72 inches wide by 84 inches long, Cal King mattresses provide ample space for taller sleepers or couples who appreciate the freedom to stretch out without feeling confined. The responsive support technology found in these mattresses is engineered to adjust instantly to your movements, ensuring targeted support and consistent comfort throughout the night. Whether you’re a side sleeper seeking gentle contouring for your hips and shoulders or a back sleeper needing firmer lumbar support, these mattresses are designed to deliver optimal spinal alignment and help minimize morning aches and pains. As autumn settles in and the nights grow cooler, the dynamic materials—such as latex foam, reflex foam, or gel-infused foams—help maintain a comfortable sleep environment, cradling you in just the right balance of softness and support. The subtle bounce and resilience of these materials mean you never feel stuck or restricted, making it easy to shift positions and settle into restful slumber, even as the leaves begin to fall and the air turns crisp.

When considering a Cal King responsive support mattress, it’s important to think about your personal sleep preferences and any unique needs you or your partner might have. Responsive mattresses are particularly well-suited for couples with different sleep styles, as the advanced support systems minimize motion transfer and help ensure that each person enjoys uninterrupted rest. For families, a Cal King mattress can transform bedtime into a cozy gathering place, with enough space for pets or children to join in for a story or a lazy Sunday morning. These mattresses can also make thoughtful gifts for newlyweds setting up their first home together or for loved ones who are moving into a new space and deserve a fresh, supportive start. The variety of firmness levels available allows you to select the perfect combination of cushioning and support, whether you prefer a plush, cloud-like feel or a more solid, supportive foundation. Many responsive support mattresses are constructed with long-lasting, high-quality materials, providing consistent performance and comfort year after year. If you’re interested in exploring specific materials known for their natural responsiveness, such as latex, you can discover more about the benefits of these options by visiting our dedicated page for Cal King Latex Mattresses. As you transition into the cozy routines of fall, investing in a Cal King responsive support mattress can elevate your nightly rest and help you greet each new day feeling refreshed, supported, and ready to embrace the season.