Sleep Improvement Mattress Toppers Cal King

Sleep Improvement Mattress Toppers Cal King can help you explore options for refreshing your sleep space and finding a comfortable fit for your California King mattress. Compare available mattress toppers by size, style and price to support your search for a sleep setup that suits your needs.

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Sleepy's By Sealy Memory Foam Plush Mattress

2776

Starting at

$999⁹⁹

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Toss and Turn
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's 3" Gel Memory Foam Mattress Topper

396

Starting at

$189⁹⁹

$269⁹⁹

$80 OFF

Medium Comfort,

Temperature

Sealy Essentials Winter Green 13" Plush Euro Pillow Top Mattress

548

Starting at

$1459⁹⁹

Plush Comfort, best for

Side Sleepers
Bed Partner
Pain
Temperature
Toss and Turn
Allergies

Serta Perfect Sleeper Nurture Night 14.5" Pillow Top Mattress

1130

Starting at

$1249⁰⁰

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tempur-Pedic TEMPUR-Cloud Mattress Topper

668

Starting at

$214⁰⁰

Medium Comfort,

Temperature
Allergies

Sleepy's 4" Reversible Gel Memory Foam Topper

Starting at

$199⁹⁹

$299⁹⁹

$100 OFF

Medium Comfort,

Temperature
Allergies

Tempur-Pedic TEMPUR-AdaptMattress Topper

8510

Starting at

$279⁰⁰

$409⁰⁰

$130 OFF

Medium Comfort,

Temperature
Allergies

Tempur-Pedic TEMPUR-Adapt + Cooling Mattress Topper

4642

Starting at

$509⁰⁰

Medium Comfort,

Temperature
Allergies

Tempur-Pedic TEMPUR-ProAdapt 2.0 12" Medium Mattress

3858

Starting at

$3799⁰⁰

$4199⁰⁰

$400 OFF

Medium Comfort, best for

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

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

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-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 BR800 Greenwood 13.5" Plush Pillow Top Mattress

2798

Starting at

$819⁹⁹

$1499⁹⁹

$680 OFF

Plush Comfort, best for

Side Sleepers
Bed Partner
Toss and Turn
Temperature
Pain

FREE ADJUSTABLE BASE ³ with code ELEVATE

Purple Restore 11.5" Firm Hybrid Mattress

843

Starting at

$2700⁰⁰

$3399⁰⁰

$699 OFF

Firm Comfort, best for

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

Stearns & Foster Lux Estate 16" Plush Euro Pillow Top Mattress

805

Starting at

$3599⁰⁰

$4199⁰⁰

$600 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Receive $300 Instant Gift⁴ with purchase.

Beauty Sleep® Midnight Dream 14.25" Ultra Plush Pillow Top Mattress

576

Starting at

$779⁹⁹

$1499⁹⁹

$720 OFF

Ultra Plush Comfort, best for

Side Sleepers
Toss and Turn
Bed Partner
Temperature
Pain

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Posturepedic Elite Hybrid High Point II 14" Soft Mattress

530

Starting at

$2799⁰⁰

$3099⁰⁰

$300 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Allergies
Bed Partner
Toss and Turn

Receive $200 Instant Gift⁴ with purchase.

Sleepy's By Sealy Hybrid Mattress

454

Starting at

$799⁹⁹

$1599⁹⁹

$800 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Posturepedic Elite Hybrid Albany II 13" Medium Mattress

382

Starting at

$2399⁰⁰

$2499⁰⁰

$100 OFF

Medium Comfort, best for

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

Receive $200 Instant Gift⁴ with purchase.

Dreamcloud PressureSmart Technology Plush Pillow Top Mattress

326

Starting at

$1699⁰⁰

$2349⁰⁰

$650 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Dreamcloud PressureSmart Technology Extra Firm Pillow Top Mattress

270

Starting at

$2649⁰⁰

Extra Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sierra Sleep By Ashley Chime 10" Memory Foam Mattress

240

Starting at

$1424⁹⁹

Medium Comfort, best for

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

Beauty Sleep® Midnight Dream II 12.25" Medium Euro Top Mattress

166

Starting at

$669⁹⁹

$1399⁹⁹

$730 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Tanglewood Medium Mattress

Starting at

$529⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Tanglewood 2.1 Plush Euro Pillowtop Mattress

Starting at

$1499⁹⁹

Plush Comfort, best for

Side Sleepers
Temperature
Pain
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Ellenton II 14" Soft Euro Pillow Top Mattress

Starting at

$1319⁰⁰

$1819⁰⁰

$500 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Posturepedic Elite Albany II 15" Soft Euro Top Mattress

Starting at

$2399⁰⁰

$2499⁰⁰

$100 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Allergies
Bed Partner
Toss and Turn

Receive $200 Instant Gift⁴ with purchase.

A sleep improvement mattress topper for a California king mattress can add comfort, support and a more restful feel without the cost of replacing your entire bed. Designed for the spacious 72-by-84-inch California king size, a quality mattress topper can help refresh an older mattress, soften a firm sleep surface or provide extra support for pressure points around the shoulders, hips and lower back. Memory foam mattress toppers gently contour to the body, while latex toppers offer a more responsive feel and breathable comfort. Choosing the right California king mattress topper starts with considering your preferred firmness, sleeping position and the feel of your current mattress so you can create a sleep surface that supports better rest night after night Cooling mattress toppers can also help improve sleep comfort by promoting airflow and reducing heat buildup throughout the night. Look for a California king mattress topper with breathable materials, ventilated foam or cooling fabric designed to help manage temperature while you sleep. Side sleepers may benefit from a softer mattress topper that cushions pressure points, while back and stomach sleepers often prefer a medium-firm or firm topper that helps maintain balanced support. A secure fit, durable construction and a washable or easy-care cover can make your sleep improvement mattress topper more comfortable and convenient, helping your California king bed feel more inviting and supporting better zzz's for years to come

What are sleep improvement mattress toppers made of? + -

Sleep improvement mattress toppers are commonly made from memory foam, latex, fiberfill or quilted fabric. Each material offers a different feel, from contouring support to a plush surface.

How do I choose the right mattress topper feel? + -

Consider how your mattress feels today and the surface you prefer. Choose a plush topper for added cushioning, a responsive latex topper for a springier feel or a memory foam topper for a more contouring surface.

Can a mattress topper help regulate temperature? + -

Some mattress toppers are designed with breathable fabrics, ventilated foam or cooling materials to promote airflow. Look for features that match your personal sleep preferences.

How do I care for a mattress topper? + -

Follow the care instructions included with your topper. Many toppers benefit from regular airing and spot cleaning, while removable covers may be machine washable.

How thick should a mattress topper be? + -

Topper thickness affects the overall feel of your sleep surface. A thinner topper can provide a subtle layer of cushioning, while a thicker option can create a more noticeable change in comfort and support.