Lumbar Support King Bases

Shop Lumbar Support King Bases at Mattress Firm to find a selection of king-size bases for your bedroom. Explore available styles, compare options and discover a base that complements your mattress and sleep space.

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Sealy Ease Adjustable Base

5090

Starting at

$1599⁰⁰

Sleepy's Elite Adjustable Base

1129

Starting at

$1699⁹⁹

Save $299 with qualifying mattress purchase. Code: ELEVATE

Sleepy's Basic Adjustable Base

Starting at

$299⁹⁹

FREE with select mattress purchase³.

Tempur-Pedic TEMPUR-Ergo 3.0 Adjustable Base

3753

Starting at

$2299⁰⁰

$2399⁰⁰

$100 OFF

Sleepy's Deluxe Adjustable Base

Starting at

$1399⁹⁹

Save $299 with qualifying mattress purchase. Code: ELEVATE

Tempur-Pedic TEMPUR-Ergo ProSmart Adjustable Base

Starting at

$3199⁰⁰

$3399⁰⁰

$200 OFF

Calm app 3-month free trial with mattress purchase & registration

Tempur-Pedic TEMPUR-Ergo Smart Adjustable Base

1002

Starting at

$2699⁰⁰

$2899⁰⁰

$200 OFF

Calm app 3-month free trial with mattress purchase & registration

Sleepy's Signature Adjustable Base

Starting at

$1049⁹⁹

Save $299 with qualifying mattress purchase. Code: ELEVATE

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3302

Starting at

$709⁹⁹

$1699⁹⁹

$990 OFF

Extra Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 11.25" Firm Mattress

2239

Starting at

$619⁹⁹

$1299⁹⁹

$680 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1749

Starting at

$809⁹⁹

$1099⁹⁹

$290 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 12" Plush Euro Top Mattress

739

Starting at

$569⁹⁹

$1399⁹⁹

$830 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

Beautyrest BR800 Greenwood 11.25" Firm Mattress

1701

Starting at

$1299⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Bed Partner
Toss and Turn
Temperature
Pain

FREE ADJUSTABLE BASE ³ with code ELEVATE

Kingsdown Crown Imperial 16" Firm Euro Top Mattress

127

Starting at

$5299⁰⁰

$6899⁰⁰

$1600 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Kingsdown Crown Imperial 15" Firm Mattress

Starting at

$4599⁰⁰

$5999⁰⁰

$1400 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Posturepedic Plus Hybrid Norman II 13" Soft Mattress

Starting at

$1699⁰⁰

$2099⁰⁰

$400 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Lumbar support king bases are designed to help create a more comfortable, personalized sleep setup for couples and individuals who prefer the spacious feel of a king mattress. With adjustable positioning, an adjustable king base can raise or lower the head and foot of the bed to support different sleep preferences, reading in bed, watching TV or relaxing before bedtime. A king adjustable base with lumbar support may also provide targeted elevation through the middle section of the base, helping you find a position that supports the natural curve of your lower back. Pairing a lumbar support base with a compatible king mattress can make it easier to customize your comfort while maximizing the generous sleep space of a king-size bed. The best lumbar support king base depends on your mattress type, preferred features and bedroom setup. Look for a sturdy adjustable bed base with smooth, quiet movement, easy-to-use controls and compatibility with your king mattress. Some power bases include programmable positions, wireless remotes, massage settings, under-bed lighting and zero gravity mode, which may help reduce pressure and promote a more relaxed posture. Before purchasing an adjustable king base, confirm the base dimensions, weight capacity and mattress compatibility, and make sure your bed frame or headboard works with the design. With the right combination of a supportive king mattress and an adjustable base with lumbar support, you can create a sleep system tailored to your comfort needs.

What is a lumbar support base? + -

A lumbar support base is an adjustable bed base with a dedicated lower-back support setting. It lets you customize the position of the mattress around the lumbar area for a more personalized sleep setup.

How do lumbar support bases adjust? + -

Most lumbar support bases adjust with a wireless remote or a compatible app. Depending on the model, you may be able to raise or lower the lumbar section independently or use preset positions.

Can I use any mattress with a lumbar support base? + -

Adjustable-friendly memory foam, latex and hybrid mattresses are commonly designed to flex with an adjustable base. Always check the mattress manufacturer's compatibility guidelines before pairing it with a lumbar support base.

What features should I look for in a lumbar support base? + -

Consider features such as independent lumbar adjustment, preset positions, wireless controls, massage settings, under-bed lighting and a zero-clearance design. Choose the features that best fit your sleep preferences and bedroom setup.

How do I care for a lumbar support base? + -

Keep the base clear of obstructions, avoid placing heavy items on moving sections and follow the manufacturer's cleaning and maintenance instructions. Store the remote where it is easy to access and replace its batteries as needed.