Breathable California King Size Medium Mattresses

Breathable California king size medium mattresses offer a comfortable balance of support and softness, making them an ideal choice for many sleepers. Designed to fit spacious beds, these mattresses help create an inviting sleep environment that encourages restful nights. Whether you’re updating your primary bedroom or searching for the perfect fit for a guest room, explore our selection of breathable California king size medium mattresses to find options that suit your needs and complement your sleep style.

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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 BR800 13.5" Medium Pillow Top Mattress

1842

Starting at

$750⁹⁹

$1500⁹⁹

$750 OFF

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

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

Purple Original Mattress

30196

Starting at

$2049⁰⁰

$2199⁰⁰

$150 OFF

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

280

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 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.

Sleepy's By Sealy Slumber Medium Mattress

167

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 with code ELEVATE

Nectar Premier 13" Medium Memory Foam Mattress

410

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 Luxe 14" Medium Memory Foam Mattress

233

Starting at

$1649⁰⁰

$2249⁰⁰

$600 OFF

Medium Comfort, best for

Back, Side, 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

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.

Tempur-Pedic TEMPUR-ProAdapt 2.0 12" Medium Hybrid Mattress

5744

Starting at

$4099⁰⁰

Medium Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

Tempur-Pedic TEMPUR-ProAdapt 2.0 12" Medium Mattress

3758

Starting at

$4099⁰⁰

Medium Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

Tempur-Pedic TEMPUR-Adapt 2.0 11" Medium Mattress

3555

Starting at

$2899⁰⁰

Medium Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

Breathable California king size medium mattresses provide the perfect blend of generous space, supportive comfort, and optimum airflow for restful sleep. Crafted to keep sleepers cool throughout the night, these mattresses are engineered with innovative materials such as open-cell memory foam, gel-infused layers, and advanced coil systems that promote maximum breathability. Breathable mattress covers further enhance air circulation, helping to dissipate heat and moisture for a consistently fresh sleep environment. For those searching for a mattress that excels in temperature regulation without compromising on comfort, medium firmness offers a balanced feel—soft enough for pressure relief yet firm enough to maintain spinal alignment.

Choosing a breathable California king size medium mattress means enjoying extra length ideal for tall individuals or couples who crave more room to stretch out. The expansive sleep surface pairs seamlessly with breathable technologies, allowing even greater airflow across the entire bed. This combination not only helps prevent overheating but also reduces common nighttime disruptions caused by excessive warmth or discomfort. With breathable construction and medium-firm support tailored to a variety of sleep positions—side, back, or combination—these mattresses are an excellent solution for hot sleepers seeking both comfort and climate control in their sleeping space. Investing in a high-quality, breathable California king size medium mattress ensures that every night is cool, comfortable, and restorative.

What makes a California king size medium mattress breathable? + -

Breathable California king size medium mattresses are designed with materials and construction techniques that promote airflow, such as open-cell foams, ventilated memory foam, or innerspring systems. These features help regulate temperature and keep you cool throughout the night.

Are breathable medium mattresses suitable for hot sleepers? + -

Yes, breathable medium mattresses are an excellent choice for hot sleepers. Their enhanced airflow and moisture-wicking properties help dissipate heat and maintain a comfortable sleeping environment.

What types of materials are commonly used in breathable medium mattresses? + -

Common materials in breathable medium mattresses include gel-infused memory foam, latex, natural fibers like cotton or wool, and hybrid designs that combine coils with airy comfort layers. These materials help increase ventilation and reduce heat retention.

How does the medium firmness level affect breathability in a mattress? + -

Medium firmness provides balanced support without excessive sinkage, which can improve airflow around your body. This helps prevent heat buildup and contributes to a cooler sleeping surface compared to softer mattresses that may trap more heat.

Can a breathable California king size medium mattress help reduce night sweats? + -

A breathable mattress can assist in reducing night sweats by allowing heat and moisture to escape more easily. This creates a cooler sleep environment, which may help minimize sweating during the night.