Breathable King Size Plush Mattresses

Breathable King Size Plush Mattresses offer a spacious sleep surface and a soft, inviting feel for your bedroom. Explore a range of sizes, comfort levels and designs to help you find a king mattress that fits your sleep preferences and supports a more comfortable bedtime routine.

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Beautyrest PressureSmart 2.0 Plush 11.75" Mattress

6251

Starting at

$1149⁹⁹

$2299⁹⁹

$1150 OFF

Plush Comfort, best for

Side Sleepers
Temperature
Bed Partner
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's By Sealy Memory Foam Plush Mattress

2776

Starting at

$699⁹⁹

$999⁹⁹

$300 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Toss and Turn
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest PressureSmart 2.0 Plush Pillow Top 13.75" Mattress

2695

Starting at

$1199⁹⁹

$2399⁹⁹

$1200 OFF

Plush Comfort, best for

Side Sleepers
Temperature
Bed Partner
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2784

Starting at

$819⁹⁹

$1499⁹⁹

$680 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 12" Plush Euro Top Mattress

735

Starting at

$569⁹⁹

$1399⁹⁹

$830 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

Beautyrest Silver BRS900 12" Plush Mattress

1140

Starting at

$729⁹⁹

$1699⁹⁹

$970 OFF

Plush Comfort, best for

Side Sleepers
Temperature
Pain
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Nurture Night 14.5" Pillow Top Mattress

1130

Starting at

$979⁰⁰

$1249⁰⁰

$270 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Nurture Night 13.5" Plush Mattress

916

Starting at

$939⁰⁰

$1099⁰⁰

$160 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Midsummer Nights 11" Plush Eurotop Mattress

882

Starting at

$859⁰⁰

$999⁰⁰

$140 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Black Series Two 16.25" Plush Pillow Top Mattress

292

Starting at

$3699⁰⁰

$4099⁰⁰

$400 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Purple RestorePlus 13" Soft Hybrid Mattress

3530

Starting at

$3600⁰⁰

$4399⁰⁰

$799 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Bed Partner
Toss and Turn
Temperature

Tempur-Pedic TEMPUR-ProAdapt 2.0 12" Soft Mattress

3494

Starting at

$3799⁰⁰

$4199⁰⁰

$400 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Bed Partner
Toss and Turn
Temperature

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

Purple Restore 11.5" Soft Hybrid Mattress

1662

Starting at

$2700⁰⁰

$3399⁰⁰

$699 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Bed Partner
Toss and Turn
Temperature

Tempur-Pedic TEMPUR-LuxeAdapt 2.0 13" Soft Mattress

1525

Starting at

$5099⁰⁰

$5599⁰⁰

$500 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Bed Partner
Toss and Turn
Temperature

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

Beautyrest Black Series Three 16.75" Plush Pillow Top Mattress

1458

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.

Beautyrest Black Series Four 17.25" Plush Summit Pillow Top Mattress

305

Starting at

$5899⁰⁰

$6599⁰⁰

$700 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

A breathable king size plush mattress combines the spacious comfort of a king bed with a softer sleep surface designed to cushion the body. Its breathable construction can help promote airflow through the mattress, making it easier to maintain a more comfortable temperature throughout the night. Look for cooling features such as breathable cover fabrics, moisture-wicking materials, ventilated foam, gel-infused memory foam or individually wrapped coils that encourage air circulation. A plush king mattress may be especially appealing to side sleepers who want pressure relief around the shoulders and hips, while a supportive comfort system helps maintain proper spinal alignment. With more room to stretch out, a breathable king size mattress can also give couples greater personal space and help reduce sleep disruptions caused by movement. The best breathable king size plush mattress depends on your preferred feel, sleeping position and support needs. Memory foam can provide contouring comfort and motion isolation, while hybrid mattresses pair plush foam layers with responsive coils for added airflow, edge support and a balanced feel. For sleepers who tend to feel warm, prioritize a king mattress with cooling technology, open-cell or ventilated foam and breathable textile layers rather than relying on a soft comfort layer alone. Comparing mattress firmness, pressure relief, temperature regulation, trial options and adjustable base compatibility can make it easier to find a plush king size mattress that supports restful sleep. Explore Mattress Firm for breathable king mattresses in a range of comfort levels, materials and price points, then complete your sleep setup with breathable sheets, pillows and other bedding essentials.

What makes a plush mattress breathable? + -

Breathable plush mattresses often combine airflow-friendly materials, ventilated foam layers, breathable upholstery and moisture-managing fabrics to promote air circulation through the mattress.

What materials are commonly used in breathable plush mattresses? + -

Common materials include breathable quilted covers, gel-infused or ventilated foam, responsive comfort foams, latex and individually wrapped coils. The exact combination varies by mattress.

How does a breathable plush mattress feel? + -

A breathable plush mattress typically has a softer, cushioned surface with layers designed to provide a comfortable, contouring feel. Its overall feel depends on the materials, construction and firmness level.

What should I look for when choosing a breathable plush mattress? + -

Consider the mattress cover, comfort materials, coil or foam construction, firmness level and overall feel. Look for clear details about airflow, ventilation and the materials used in each layer.

How can I care for a breathable plush mattress? + -

Use a breathable mattress protector, keep the mattress on a supportive foundation and follow the manufacturer's care instructions. Rotating the mattress when recommended may also help promote more even wear.