Shop for King | Mattress Firm

Skip to main content

Memorial Day Sale: Save up to $700 - Shop our best deals online & in-store. Shop Sale

Menu

Menu

Store LocatorFind Your Local Store

My store: Select a store

My Store

Closed Today

,

Visit store page

Mattresses
Sale & Clearance
Box Springs & Frames
Adjustable Bed Bases
Bedding
Furniture & More
Brands
Find A Store

#1 Tempur-Pedic® Retailer

Home
Back To School
King

33

results

Clear All

King

14 of 33 results

Classic 12" Firm Memory Foam Mattress

Nectar Classic 12" Firm Memory Foam Mattress

King

Firm Comfort, best for

Back and Stomach Sleepers
Pain
Bed Partner

6 Sizes

Delivery in6+ weeks

Only at Mattress Firm

By Sealy® Slumber Medium Mattress

Sleepy's By Sealy® Slumber Medium Mattress

King

Medium Comfort, best for

Back, Side and Stomach Sleepers
Bed Partner
Toss and Turn

6 Sizes

FREE ADJUSTABLE BASE³ with code ELEVATE

Delivery in6+ weeks

Best Seller

By Sealy® Slumber Cushion Firm Mattress

Sleepy's By Sealy® Slumber Cushion Firm Mattress

King

Medium Comfort, best for

Back, Side and Stomach Sleepers
Bed Partner
Toss and Turn

6 Sizes

FREE ADJUSTABLE BASE³ with code ELEVATE

Delivery in6+ weeks

Only at Mattress Firm

By Sealy Memory Foam Medium Mattress

Sleepy's By Sealy Memory Foam Medium Mattress

King

Medium Comfort, best for

Back, Side and Stomach Sleepers
Pain
Bed Partner

6 Sizes

FREE ADJUSTABLE BASE³ with code ELEVATE

Delivery in6+ weeks

Only at Mattress Firm

By Sealy Memory Foam Firm Mattress

Sleepy's By Sealy Memory Foam Firm Mattress

King

Firm Comfort, best for

Back and Stomach Sleepers
Pain
Bed Partner

6 Sizes

FREE ADJUSTABLE BASE³ with code ELEVATE

Delivery in6+ weeks

nudge image

Powered by Gemini

Want the Sleep of your dreams?

Start here

Upgrade my mattress

Beds with great support

Stay cool at night

Relief from pain

Find a box spring

Premium pillows

nudge image

Best Seller

By Sealy Memory Foam Plush Mattress

Sleepy's By Sealy Memory Foam Plush Mattress

King

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner

6 Sizes

FREE ADJUSTABLE BASE³ with code ELEVATE

Delivery in6+ weeks

Best Seller

Basics Waterproof Mattress Protector

Sleepy's Basics Waterproof Mattress Protector

King

Best for

Temperature
Allergies

6 Sizes

Save $50 when you bundle¹⁰. Use Code: BASIC

Delivery in6+ weeks

Best Seller

Signature Total Defense Mattress Protector

Sleepy's Signature Total Defense Mattress Protector

King

Best for

Temperature
Allergies

6 Sizes

Save $100 when you bundle¹⁰. Use Code: SIGNATURE

Delivery in6+ weeks

Best Seller

Signature Platform Frame

Sleepy's Signature Platform Frame

King

6 Sizes

Delivery in6+ weeks

Best Seller

Deluxe Platform Frame

Sleepy's Deluxe Platform Frame

King

6 Sizes

Delivery in6+ weeks

Best Seller

Signature Gel Memory Foam Pillow

Sleepy's Signature Gel Memory Foam Pillow

King

Firm Comfort, best for

Back, Side and Stomach Sleepers
Pain
Bed Partner

2 Sizes

Save $100 when you bundle¹⁰. Use Code: SIGNATURE

Delivery in6+ weeks

Only at Mattress Firm

3" Gel Memory Foam Mattress Topper

Sleepy's 3" Gel Memory Foam Mattress Topper

King

Medium Comfort, best for

Pain
Bed Partner

6 Sizes

Delivery in6+ weeks

Best Seller

Signature Silky Smooth Sheet Set

Sleepy's Signature Silky Smooth Sheet Set

King

Best for

Allergies
Temperature

3 Colors | 6 Sizes

Save $100 when you bundle¹⁰. Use Code: SIGNATURE

Delivery in6+ weeks

Only at Mattress Firm

Basics Microfiber Sheet Set

Sleepy's Basics Microfiber Sheet Set

King

Best for

Allergies

2 Colors | 6 Sizes

Save $50 when you bundle¹⁰. Use Code: BASIC

Delivery in6+ weeks