Black Friday Sale On Black King Size Mattresses

Explore black king size mattresses for Black Friday and compare the selection by dimensions, comfort details and appearance. Review each product’s photos and specifications to confirm the color and find an option that suits your bedroom and sleep preferences.

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Beautyrest Black Series Two 16.25" Plush Pillow Top Mattress

299

Starting at

$4099⁰⁰

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Two 16.5" Medium Pillow Top Mattress

300

Starting at

$4099⁰⁰

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Three 15.25" Medium Mattress

2357

Starting at

$4799⁰⁰

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Three 15" Firm Mattress

2295

Starting at

$4799⁰⁰

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Three 16.75" Plush Pillow Top Mattress

1502

Starting at

$5199⁰⁰

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 17.5" Medium Summit Pillow Top Mattress

620

Starting at

$6599⁰⁰

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Two 15.5" Medium Mattress

528

Starting at

$3899⁰⁰

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Three 16.25" Medium Pillow Top Mattress

483

Starting at

$5199⁰⁰

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Four 17.25" Plush Summit Pillow Top Mattress

313

Starting at

$6599⁰⁰

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series One 13.5" Extra Firm Mattress

716

Starting at

$2899⁰⁰

Extra Firm Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series One 14.25" Medium Mattress

448

Starting at

$3199⁰⁰

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Two 14.25" Firm Mattress

363

Starting at

$3899⁰⁰

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series One 14.75" Medium Pillow Top Mattress

337

Starting at

$3499⁰⁰

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Three 16.5" Firm Pillow Top Mattress

300

Starting at

$5199⁰⁰

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Three 14.25" Extra Firm Mattress

294

Starting at

$4799⁰⁰

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series One 14.5" Plush Pillow Top Mattress

286

Starting at

$3499⁰⁰

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Allergies
Bed Partner
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Black Friday is a great time to compare black king size mattresses, explore different comfort levels and find support that fits the way you sleep. If your search includes the Beautyrest Black collection, look closely at each model’s construction, firmness and comfort features rather than choosing by the collection name alone. A king size mattress with a plush surface may appeal to side sleepers seeking cushioning around the shoulders and hips, while a firmer feel may suit stomach sleepers who need help keeping their midsection supported. Back sleepers often benefit from a balance of cushioning and support, though body type and personal preferences matter, too. As you compare king mattresses for Black Friday, consider how features such as pressure-relieving foam, coil support and motion isolation align with your needs. Couples may especially appreciate a mattress that limits movement transfer, while sleepers who tend to feel warm can look for breathable materials and temperature-management features described in the product specifications. Choosing a black king size mattress also means planning for the space around it. A standard king mattress measures 76 inches wide by 80 inches long, giving two people more room to spread out than a standard queen. Measure your bedroom, doorways and delivery path before making a selection, and leave enough clearance around the bed for everyday movement. Check whether your current bed frame or foundation provides the support required by the mattress manufacturer, and account for mattress height when selecting king size sheets and a mattress protector. During your Black Friday mattress search, compare the full cost of your setup, including any foundation, bedding or delivery services you may need. Review warranty coverage and return or exchange terms so you understand your options before purchasing. For help comparing black king size mattresses, Mattress Firm’s Sleep Experts® can guide you through comfort preferences, construction differences and compatible accessories to help you choose with confidence.

What does a black mattress typically look like? + -

A black mattress typically has black or charcoal fabric on its cover, side panels or trim. Product photos can help you see whether the darker color covers the entire exterior or serves as an accent.

Does a black cover indicate a particular mattress type? + -

No, the cover color does not identify the mattress construction. Check the product description to learn whether a mattress uses foam, innersprings, latex or a hybrid design.

What bedding colors complement a black mattress? + -

White, cream and light gray bedding create contrast, while jewel tones offer a richer look. A fitted sheet typically conceals the mattress surface, so you can coordinate your bedding with the rest of your bedroom.

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

Check the care label to see whether the cover is removable and which cleaning methods are recommended. Follow the manufacturer's instructions rather than assuming the cover can be machine washed.

What details should I review when browsing black mattresses on Black Friday? + -

Review the cover fabric, mattress construction, care instructions and photos showing the top and sides. Look beyond the color name, since black may describe the entire cover or just the border.