King Cooling Cover Mattresses

King Cooling Cover Mattresses offer a spacious sleep surface for couples, families and anyone who enjoys extra room to stretch out. Explore a range of king mattresses with cooling covers to find the right comfort level, feel and support for your sleep preferences. With options available at Mattress Firm, finding a mattress that fits your bedroom and routine is easy.

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Sleepy's Deluxe Comfort Cool Mattress Protector

4249

Starting at

$169⁹⁹

Temperature
Allergies

Save $150 when you bundle¹⁰.

Sleepy's By Sealy Memory Foam Medium Mattress

3511

Starting at

$889⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest PressureSmart 2.0 Firm 11" Mattress

Starting at

$1100⁰⁰

$2199⁹⁹

$1100 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Bed Partner
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's Basic Memory Foam Firm Mattress

3239

Starting at

$299⁷⁷

$999⁹⁹

$700 OFF

Firm Comfort, best for

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

Tempur-Pedic TEMPUR-Protect Breeze Mattress Protector

808

Starting at

$309⁰⁰

Stearns & Foster Estate 14.5" Firm Mattress

1829

Starting at

$2799⁰⁰

$3099⁰⁰

$300 OFF

Firm Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase.

Sleepy's 3" Gel Memory Foam Mattress Topper

398

Starting at

$269⁹⁹

Medium Comfort,

Temperature

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1816

Starting at

$1999⁹⁹

Extra Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Pain
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1753

Starting at

$1099⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

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

985

Starting at

$4099⁰⁰

$4699⁰⁰

$600 OFF

Medium Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase.

Serta Perfect Sleeper Nurture Night 12" Firm Mattress

1194

Starting at

$999⁰⁰

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Nurture Night 14.5" Pillow Top Mattress

1137

Starting at

$1249⁰⁰

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Elkins III 11" Plush Euro Top Mattress

1610

Starting at

$600⁰⁰

$1199⁹⁹

$600 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Toss and Turn
Bed Partner

Nectar Premier 13" Medium Memory Foam Mattress

510

Starting at

$1099⁰⁰

$1799⁰⁰

$700 OFF

Medium Comfort, best for

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

Nectar Luxe 14" Medium Memory Foam Mattress

238

Starting at

$1649⁰⁰

$2249⁰⁰

$600 OFF

Medium Comfort, best for

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

Serta Perfect Sleeper Oasis Sleep 12" Extra Firm Mattress

912

Starting at

$1399⁰⁰

Extra Firm Comfort, best for

Back, Stomach Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's 4" Reversible Gel Memory Foam Topper

Starting at

$199⁹⁹

$299⁹⁹

$100 OFF

Medium Comfort,

Temperature
Allergies

Tempur-Pedic TEMPUR-Adapt + Cooling Mattress Topper

4666

Starting at

$509⁰⁰

Medium Comfort,

Temperature
Allergies

Beautyrest Black Series Two 16.5" Medium Pillow Top Mattress

295

Starting at

$3699⁰⁰

$4099⁰⁰

$400 OFF

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

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

6031

Starting at

$3799⁰⁰

$4199⁰⁰

$400 OFF

Medium Comfort, best for

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

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

Purple RestorePlus 13" Soft Hybrid Mattress

3536

Starting at

$3600⁰⁰

$4399⁰⁰

$799 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Bed Partner
Toss and Turn
Temperature

Purple RestorePlus 13" Firm Hybrid Mattress

1667

Starting at

$3600⁰⁰

$4399⁰⁰

$799 OFF

Firm Comfort, best for

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

Beautyrest Black Series Three 16.75" Plush Pillow Top Mattress

1471

Starting at

$4599⁰⁰

$5199⁰⁰

$600 OFF

Plush Comfort, best for

Side Sleepers
Bed Partner
Pain
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Purple RestorePlus Cool Touch 13" Hybrid Mattress

1013

Starting at

$3900⁰⁰

$4699⁰⁰

$799 OFF

Medium Comfort, best for

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

$300 ^◇ adjustable base instant gift with purchase.

Purple RestorePremier Cool Touch 13" Hybrid Mattress

857

Starting at

$4700⁰⁰

$5499⁰⁰

$799 OFF

Medium Comfort, best for

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

$300 ^◇ adjustable base instant gift with purchase.

Beautyrest Silver BRS900-C 14.5" Medium Mattress

797

Starting at

$1999⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

King cooling cover mattresses are designed to help create a cooler, more comfortable sleep environment in a spacious king size. Their breathable mattress covers may use moisture-wicking fabrics, cooling fibers or phase-change materials to help manage heat and humidity throughout the night. Combined with airflow-friendly comfort layers such as gel-infused memory foam, ventilated foam or responsive springs, a king cooling mattress can help sleepers who tend to feel warm enjoy a more balanced feel from bedtime to morning. With generous space for couples, families and combination sleepers, a king mattress with a cooling cover offers room to stretch out while supporting pressure relief and comfort. Choosing the best king cooling cover mattress starts with considering your preferred firmness, sleep position and overall feel. Side sleepers may appreciate a cushioning mattress that helps relieve pressure around the shoulders and hips, while back and stomach sleepers often prefer a supportive surface that promotes a comfortable, aligned feel. Couples can also look for king mattresses with motion isolation, edge support and temperature-regulating materials to improve shared sleep. Explore cooling king mattresses at Mattress Firm to compare breathable covers, supportive designs and comfort options from trusted mattress brands, then complete your sleep setup with cooling sheets, pillows and bedding.

What is a cooling cover mattress? + -

A cooling cover mattress features a cover made with materials selected for breathability, moisture management or a cooler-to-the-touch feel. These covers are designed to complement the mattress’s comfort layers and support a more temperature-conscious sleep setup.

What materials are commonly used in cooling mattress covers? + -

Common materials include breathable knits, moisture-managing fibers, phase change materials and cooling gels or yarns. The exact construction varies by mattress, so review the product details to learn which materials are included.

How does a cooling cover differ from a regular mattress cover? + -

A cooling cover may use specialized fabrics, ventilation features or temperature-responsive materials in addition to the protective and comfort functions found in a standard cover.

Can I use bedding with a cooling cover mattress? + -

Yes. Choose breathable sheets, lightweight blankets and a mattress protector designed to work with your mattress. Very thick or insulated bedding may change the feel of the cooling cover.

How should I care for a cooling mattress cover? + -

Follow the care instructions provided with your mattress. Some covers are removable and washable, while others should be spot cleaned. Avoid removing a cover unless the manufacturer specifically says it is designed for removal.