Sealy Posturepedic Series 9-Inch Foundation, Split California King (Purchase Two Foundations to Complete a California King Set)

Sealy Posturepedic Series 9-Inch Foundation, Split California King (Purchase Two Foundations to Complete a California King Set)

Wake up feeling rejuvenated with the Sealy Posturepedic 9-Inch Foundation for your mattress. The base pairs with Sealy Posturepedic Series mattresses to provide more support and comfort than a traditional box spring while also helping to extend the use... more

$188.94

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Sealy Ease Adjustable Base, Split California King (Purchase Two Foundations to Complete a California King Set)

Sealy Ease Adjustable Base, Split California King (Purchase Two Foundations to Complete a California King Set)

The Sealy Ease Adjustable Base is the simple way to turn your bed into the perfect place to relax. The wireless remote controls the head and leg lift, for virtually unlimited range of ergonomic positions. Support yourself in your ideal position to... more

$700.74

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Continental Sleep Mattress, 9" Gentle Firm Pillowtop Fully Assembled Othopedic California King Mattress and Foundation, Elite Collection

Continental Sleep Mattress, 9" Gentle Firm Pillowtop Fully Assembled Othopedic California King Mattress and Foundation, Elite Collection

Need a new bed in your master bedroom, child's room or guest room? You don't have to spend a fortune to get all of the essentials needed for a good night's rest. The Continental Sleep Orthopedic Pillow Top Mattress Set includes everything you need and... more

$695.04

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Nature's Sleep Cool IQ 10" Memory Foam Mattresses: California King/Without Foundation

Nature's Sleep Cool IQ 10" Memory Foam Mattresses: California King/Without Foundation

Allergen-resistant memory-foam mattresses support joints and are kind to backs; add the optional wooden foundation for extra comfort more

$2,300.00 $489.99

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PostureLoft Hercules Platform 14-inch Heavy Duty California King-size Metal Bed Frame/ Mattress Foundation,

PostureLoft Hercules Platform 14-inch Heavy Duty California King-size Metal Bed Frame/ Mattress Foundation,

The Platform Metal Bed Frame / Foundation is a stylish and useful alternative to a box spring. It can be used inside a wooden bed frame for mattress support, or it can be used as a bed frame itself, you can also attach a headboard to it with built in... more

$106.99

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Nature's Sleep 10" Gel Memory Foam Mattress: Plush/California King with Foundation

Nature's Sleep 10" Gel Memory Foam Mattress: Plush/California King with Foundation

Whether you prefer a medium, firm or plush feel, Nature's Sleep has the mattress for you! more

$3,300.00 $769.99

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Nature's Sleep 10" Gel Memory Foam Mattress: Medium/California King with Foundation

Nature's Sleep 10" Gel Memory Foam Mattress: Medium/California King with Foundation

Whether you prefer a medium, firm or plush feel, Nature's Sleep has the mattress for you! more

$2,800.00 $769.99

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Priage 16-inch SmartBase Deluxe California King Mattress Foundation

Priage 16-inch SmartBase Deluxe California King Mattress Foundation

Update any bedroom in your home with the Priage 16-inch SmartBase Deluxe California King Mattress Foundation. It is a complete mattress foundation solution for spring, latex, and memory foam mattresses. The strong metal Platform Bed Frame eliminates... more

$185.39

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Priage 9-inch Split California King-size Bifold Mattress Foundation (Cal King), Grey metal

Priage 9-inch Split California King-size Bifold Mattress Foundation (Cal King), Grey metal

The Priage BiFold Box Spring is an innovative folding mattress foundation designed for mobility and functionality. Traditional box springs are hard to maneuver through your home, especially upstairs and through doorways, but the BiFold Box Spring is... more

$389.99

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Overstock.com

(675,000+)
Crown Comfort 14-inch California King Platform Bed Frame and Mattress Foundation with Brackets and S (14-inch Cal King), Grey metal

Crown Comfort 14-inch California King Platform Bed Frame and Mattress Foundation with Brackets and S (14-inch Cal King), Grey metal

Elevate your nightly experience with this 14-inch platform bed frame and mattress foundation with brackets and skirt. Crown Comfort's complete support system for your mattress replaces your current metal frame and box spring with a much more user... more

$156.82

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Overstock.com

(675,000+)
Serta iComfort Hybrid Limited Edition Super Pillow Top Mattress Set and Motion Essential Foundation - California King

Serta iComfort Hybrid Limited Edition Super Pillow Top Mattress Set and Motion Essential Foundation - California King

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$3,023.90

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SwissLux 'I' Flex Cal King-size Foundation and Frame-in-One Mattress Support System (Cal King), Black, Size California King

SwissLux 'I' Flex Cal King-size Foundation and Frame-in-One Mattress Support System (Cal King), Black, Size California King

Upgrade your sleeping experience with this ultra-supportive foundation frame system. Constructed from 100 percent steel, this frame offers excellent stability and strength. It also boasts an innovative design that eliminates the need for a box spring.... more

$245.22

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Overstock.com

(675,000+)
Crown Comfort 14-inch Cal-King-size Platform Bed Frame

Crown Comfort 14-inch Cal-King-size Platform Bed Frame

Elevate your nightly experience with this 14-inch California King-size platform bed frame and mattress foundation. Crown Comfort's complete support system for your mattress replaces your current metal frame and box spring with a much more user friendly... more

$164.99 $146.49

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Set of 2 Simmons ® Beautysleep ® Triton ® California King Half Box Springs

Set of 2 Simmons ® Beautysleep ® Triton ® California King Half Box Springs

The ideal companion for our luxurious, extra-thick mattresses, this half box spring set is designed to provide stable, superior support. Incorporating non-yielding steel struts, the foundation system does not bend or respond to pressure. This rigid... more

$699.00 $558.00

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Night Therapy iCoil 12" Euro Box Top Spring California King Mattress and SmartBase Bed Frame Set

Night Therapy iCoil 12" Euro Box Top Spring California King Mattress and SmartBase Bed Frame Set

The Night Therapy's iCoil® 12" Euro Box Top Spring Mattress and SmartBase Foundation Bed Frame Set by Zinus offers an excellent sleep solution for a healthy night's sleep. The deluxe mattress offers independent 7.5" iCoil® Pocketed Springs to reduce... more

$534.72

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Sleep Trends California King 4-inch Low Profile Mattress Instant Foundation, Quick Ship, Created for Macy's

Sleep Trends California King 4-inch Low Profile Mattress Instant Foundation, Quick Ship, Created for Macy's

Provide a firm foundation and increase the longevity of your mattress with the incredibly easy and quick to assemble Sleep Trends Instant Foundation. more

$519.00 $233.00

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Sleep Trends California King 8-inch Profile Mattress Instant Foundation, Quick Ship, Created for Macy's

Sleep Trends California King 8-inch Profile Mattress Instant Foundation, Quick Ship, Created for Macy's

Instantly add an eight inch foundation to your mattress with the Sleep Trends Instant Foundation. With simple to use instructions, assembly is easy and can be done in a short time period. more

$499.00 $224.00

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Comfort Revolution FR5M0501 Premium Mattress Foundation - California King, As Shown

Comfort Revolution FR5M0501 Premium Mattress Foundation - California King, As Shown

This complete mattress support system replaces the traditional bed frame and foundation with its 100% steel design. It assembles in minutes and does not require the use of any tools. The foundation raises the bed 14 in. off the ground, providing... more

$243.35

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California King Size Lavender Foundation Mattress, White, Purple

California King Size Lavender Foundation Mattress, White, Purple

Tight top mattress. Provides soft comfort along with heavy duty 312 innerspring 13.5 gauge unit. Size: California King. Color: Purple. more

$524.47

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California King Size Comforting Lavender Foundation, White, Purple

California King Size Comforting Lavender Foundation, White, Purple

Durable foundation. Exterior design matches Lavender pillow top mattress. Size: California King. Color: Purple. more

$430.87

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Comfort Revolution No Stress Premium Steel California King Mattress Foundation In Brown White/grey

Comfort Revolution No Stress Premium Steel California King Mattress Foundation In Brown White/grey

Eliminate the need for a traditional bed frame and foundation with the Comfort Revolution No Stress Premium Steel Mattress Foundation. This hassle-free foundation offers an easy, tool-free assembly, and it measures 14" high to allow for under-bed storage. more

$299.99

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Tempur-Pedic Tempur-Flat 9-Inch Split California King Standard Foundation In Grey Natural

Tempur-Pedic Tempur-Flat 9-Inch Split California King Standard Foundation In Grey Natural

Tempur-Pedic's TEMPUR-Cloud Supreme Mattress offers luxurious, pillow-like softness combined with quick-adapting support from their exclusive TEMPUR® material. The innovative SmartClimate System provides cooling comfort while you sleep. more

$300.00

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Stearns & Foster Oak Terrance Luxury Plush Euro Pillowtop Mattress with 9 in. Flat Foundation, Size: Split California King - 41982132

Stearns & Foster Oak Terrance Luxury Plush Euro Pillowtop Mattress with 9 in. Flat Foundation, Size: Split California King - 41982132

Choose from available sizesPlush, innerspring mattressPrimaSense gel foam promotes cool sleeping surfaceHybrid pillowtop delivers light comfort and precise support9-inch foundation for additional support and stability10-year manufacturer’s warranty.... more

$3,098.00

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4 Bifold Box Spring - Split California King - White - Zinus

4 Bifold Box Spring - Split California King - White - Zinus

Find Bedframes at Target.com! The 4-inch BiFold Box Spring by Zinus is an innovative folding mattress foundation designed for mobility and functionality. Traditional box springs are hard to maneuver throughout your home, especially in staircases and... more

$219.99

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Stearns & Foster Oak Terrance Luxury Plush Euro Pillowtop Mattress with 9 in. Flat Foundation, Size: California King - 41982162

Stearns & Foster Oak Terrance Luxury Plush Euro Pillowtop Mattress with 9 in. Flat Foundation, Size: California King - 41982162

Choose from available sizesPlush, innerspring mattressPrimaSense gel foam promotes cool sleeping surfaceHybrid pillowtop delivers light comfort and precise support9-inch foundation for additional support and stability10-year manufacturer’s warranty.... more

$2,199.00

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Stearns & Foster Oak Terrance Luxury Firm Mattress with 9 in. Flat Foundation, Size: Split California King - 41981732

Stearns & Foster Oak Terrance Luxury Firm Mattress with 9 in. Flat Foundation, Size: Split California King - 41981732

Choose from available sizesFirm, innerspring mattressPrimaSense gel foam promotes cool sleeping surfaceBreathable design with moisture-wicking fabricIncluded foundation provides steady surface10-year manufacturer’s warranty. With exceptional support... more

$2,698.00

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Comfort Revolution No Stress Premium Steel California King Mattress Foundation In Brown White/grey

Comfort Revolution No Stress Premium Steel California King Mattress Foundation In Brown White/grey

Eliminate the need for a traditional bed frame and foundation with the Comfort Revolution No Stress Premium Steel Mattress Foundation. This hassle-free foundation offers an easy, tool-free assembly, and it measures 14" high to allow for under-bed storage. more

$299.99

FREE shipping

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Tempur-Pedic Tempur-Flat Low 5" Profile Split California King Foundation

Tempur-Pedic Tempur-Flat Low 5" Profile Split California King Foundation

TEMPUR-Flat Low 5in Profile Split Cal King Foundation--Extra Support Where Your Mattress Needs It The TEMPUR-pedic flat low 5in profile split Cal King Foundation is designed to be the superior basic flat foundation for your bed. A classy grey uphosltry... more

$150.00

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Sealy Posturepedic Hybrid Regular 9" Profile Split California King Foundation

Sealy Posturepedic Hybrid Regular 9" Profile Split California King Foundation

Sealy Posturepedic Hybrid Cal King Foundation--Cool Comfort and Support The California King Posturepedic Hybrid foundation provides the ultimate in comfort and stability to help improve your sleep quality. Designed to combine the benefits of foam and... more

$300.00 $150.00

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BeautySleep 5.5in. Low Foundation-California King Slate

BeautySleep 5.5in. Low Foundation-California King Slate

This BeautySleep 5.5 inch low profile foundation.You must order 2 of this item to receive a complete box spring.Box spring only. Mattress sold separately. This item is deliverable only by Boscov's Home Delivery Service for online orders within a 25-40... more

$200.00 $100.00

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Boscov's

(50,000+)
Instant Foundation 8in. California King Box Spring

Instant Foundation 8in. California King Box Spring

The Classic Brands Instant Foundation regular 8 inch profile California king box spring is the perfect solution for those narrow hallways or staircases. This box spring has a solid hardwood foundation and includes all parts needed for assembly. This... more

$248.75

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Boscov's

(50,000+)
Instant Foundation Low California King Box Spring

Instant Foundation Low California King Box Spring

The Classic Brands Instant Foundation low profile California king box spring is perfect for your home! This box spring is only 4 inches high, great for those with a high profile mattress or those looking for a sleek, decorative look. A benefit of this... more

$248.75

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Boscov's

(50,000+)
Stearns & Foster Split California King 9" Regular Profile Foundation

Stearns & Foster Split California King 9" Regular Profile Foundation

Stearns & Foster sets a high bar for luxury mattress sets. This Stearns and Foster foundation will ensure to provide your Stearns & Foster mattress with the ultimate support for a perfect night's sleep. This foundation is designed to be used with all... more

$240.00 $120.00

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14 in. California King Easy-to-Assemble SmartBase Mattress Foundation, Black

14 in. California King Easy-to-Assemble SmartBase Mattress Foundation, Black

Free Shipping on Over 500K Items!

The Easy-to-Assemble SmartBase is an innovative mattress foundation by Zinus. No need for a box spring and a traditional frame, enjoy strong, sturdy support for your spring, memory foam, or latex mattress with the Easy-to-Assemble SmartBase. The... more

$111.67

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Reflexion Adjustable California King Box Spring

Reflexion Adjustable California King Box Spring

Free Shipping on Over 500K Items!

Sealy Reflexion UP is the perfect upgrade from a flat foundation. Raise the head of the foundation, in virtually infinite number of positions, for reading, working on your laptop or watching TV. Control your movement using the simple-to-use wired remote. more

$1,398.00

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Infiniflex California King Metal Bed Frame, Black

Infiniflex California King Metal Bed Frame, Black

Free Shipping on Over 500K Items!

The BioPedic Infiniflex Foundation and frame is designed to replace your existing mattress foundation or box spring along with your bed frame. This unique all steel design is stronger, and more durable than traditional box springs and bed frame support... more

$216.55

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Bedgear M1X California King Mattress

Bedgear M1X California King Mattress

Transform the way you sleep with the revolutionary Bedgear M1X. Delivering premium technology to your doorstep in easy to set-up packaging, the M1X utilizes athletic gear-inspired performance materials to create a softer feel on the surface with deep... more

$1,499.00

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Rooms To Go

(10,000+)
Bedgear M1 California King Mattress

Bedgear M1 California King Mattress

Sleep made simple. Offering a revolutionary approach to mattress buying, the Bedgear M1 is a premium sleep solution that arrives at your doorstep with easy set-up right out of the box. Inspired by athletic gear, the M1 delivers a firm yet comfortable... more

$1,099.00

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Rooms To Go

(10,000+)
Sleep Trends Hartz California King 14" Wrapped Coil Hybrid Cushion Firm Pillow Top Box Top Mattress, Quick Ship,

Sleep Trends Hartz California King 14" Wrapped Coil Hybrid Cushion Firm Pillow Top Box Top Mattress, Quick Ship,

Sleep and dream well on the Sleep Trends Hartz 14'' Wrapped Coil Hybrid Box Top Cushion Firm California King Mattress. Seven layers of foam and innersprings ensure that your evening sleep will be in total comfort and undisturbed. Coil springs provide... more

$1,759.00 $791.00

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Serta iComfort Hybrid Applause II Plush Mattress and Serta Motion Perfect III Adjustable Foundation Set - Cal King

Serta iComfort Hybrid Applause II Plush Mattress and Serta Motion Perfect III Adjustable Foundation Set - Cal King

Up to $400 in Sam’s Club Gift Cards & receive a free iComfort Scrunch Pillow (up to a $198 value) with purchase. White glove delivery. more

$4,838.90

FREE shipping

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More information about Mattresses & Boxsprings

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