Breathable California King Size Memory Foam Mattresses

Breathable California king size memory foam mattresses offer a spacious and supportive sleep surface designed for comfort and relaxation. Perfect for those who value both luxury and restful nights, these mattresses are crafted to fit your California king bed while helping you enjoy a peaceful night’s sleep. Explore our selection of breathable California king size memory foam mattresses to find the ideal option for your bedroom and start experiencing better zzz’s every night.

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Sleepy's By Sealy Memory Foam Medium Mattress

3381

Starting at

$1330⁹⁹

Medium Comfort, best for

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

Serta Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

1407

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 with code ELEVATE

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3251

Starting at

$660⁹⁹

$1700⁹⁹

$1040 OFF

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

2210

Starting at

$565⁹⁹

$1300⁹⁹

$735 OFF

Firm Comfort, best for

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

Stearns & Foster Estate 14.5" Firm Mattress

1731

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.

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1773

Starting at

$805⁹⁹

$2000⁹⁹

$1195 OFF

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

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1721

Starting at

$750⁹⁹

$1000⁹⁹

$250 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 with code ELEVATE

Stearns & Foster Lux Estate Elite 16" Medium Euro Pillow Top Mattress

953

Starting at

$4199⁰⁰

$4599⁰⁰

$400 OFF

Medium Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase.

Serta Perfect Sleeper Nurture Night 12" Firm Mattress

1136

Starting at

$800⁹⁹

$999⁰⁰

$199 OFF

Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Nurture Night 14.5" Pillow Top Mattress

1094

Starting at

$917⁹⁹

$1249⁰⁰

$332 OFF

Plush Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Nectar Classic 12" Firm Memory Foam Mattress

217

Starting at

$899⁰⁰

$1399⁰⁰

$500 OFF

Firm Comfort, best for

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

Serta Perfect Sleeper Nurture Night 13.5" Medium Mattress

977

Starting at

$879²⁰

$1099⁰⁰

$220 OFF

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 with code ELEVATE

Serta Perfect Sleeper Oasis Sleep 14.5" Pillow Top Mattress

970

Starting at

$1078⁹⁹

$1399⁰⁰

$321 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Oasis Sleep 12" Extra Firm Mattress

868

Starting at

$1050⁹⁹

$1399⁰⁰

$349 OFF

Extra Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Nurture Night 13.5" Plush Mattress

876

Starting at

$879²⁰

$1099⁰⁰

$220 OFF

Plush Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Black Series Two 16.5" Medium Pillow Top Mattress

290

Starting at

$3799⁰⁰

$4099⁰⁰

$300 OFF

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Breathable California king size memory foam mattresses provide an ideal combination of spacious comfort and advanced temperature regulation, making them a top choice for anyone seeking a restful night’s sleep. Unlike traditional memory foam, which can sometimes trap heat, these innovative mattresses use advanced open-cell technologies and breathable materials to promote superior airflow throughout the entire mattress surface. Features like gel-infused memory foam layers, ventilated designs, and moisture-wicking covers work together to regulate temperature and minimize overheating, even on the warmest nights. This ensures you remain cool, dry, and comfortable from dusk until dawn—ideal for hot sleepers or individuals living in warmer climates.

Choosing a breathable California king size memory foam mattress maximizes both luxury and functionality. With generous California king dimensions, couples and families have ample space to stretch out without disturbing one another’s rest. Top models also offer pressure-relieving support that contours to your body shape while encouraging airflow with every movement. The enhanced breathability not only extends the life of your mattress by reducing moisture buildup but also fosters a fresher, healthier sleep environment. At Mattress Firm, you’ll discover a curated selection of breathable California king size memory foam mattresses from leading brands—all designed to deliver unmatched comfort alongside cutting-edge cooling features so you wake up refreshed each morning.

What makes a California king size memory foam mattress breathable? + -

Breathable California king size memory foam mattresses are designed with advanced materials and open-cell structures that allow for better airflow. Some models also feature cooling gel infusions or ventilated layers to help dissipate heat and keep you comfortable throughout the night.

How does breathability affect the comfort of a memory foam mattress? + -

Breathability enhances comfort by allowing heat and moisture to escape, preventing the mattress from trapping excess warmth. This helps regulate your body temperature, leading to a cooler and more restful sleep experience.

Are there specific materials used to improve breathability in memory foam mattresses? + -

Yes, manufacturers often use gel-infused memory foam, copper-infused foam, or incorporate perforated and open-cell designs to promote airflow. Some mattresses also include breathable covers made from moisture-wicking fabrics.

Do breathable memory foam mattresses require special care or maintenance? + -

Breathable memory foam mattresses do not require special care beyond regular mattress maintenance. It's recommended to use a breathable mattress protector and rotate the mattress periodically to ensure even wear.

Can a breathable California king size memory foam mattress help with night sweats? + -

A breathable California king size memory foam mattress can help reduce night sweats by promoting airflow and dissipating heat more effectively than traditional memory foam. This creates a cooler sleeping environment that may be more comfortable for those prone to overheating at night.