Cyber Monday Sale On California King Size Medium Mattresses

Shop California King medium mattresses for Cyber Monday if you’re looking for a spacious sleep surface with a feel between plush and firm. Compare prices and comfort features across the selection below, and check dimensions to make sure your choice fits your bed frame and bedroom.

Sleepy's By Sealy Memory Foam Medium Mattress

3591

Starting at

$589⁹⁹

$889⁹⁹

$300 OFF

Medium Comfort, best for

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

Serta Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

2625

Starting at

$839⁹⁹

$1499⁹⁹

$660 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

1470

Starting at

$1999⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1897

Starting at

$1499⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1769

Starting at

$1099⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Purple Original Mattress

59819

Starting at

$1899⁰⁰

$2199⁰⁰

$300 OFF

Medium Comfort, best for

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

Sleepy's By Sealy Slumber Cushion Firm Mattress

311

Starting at

$1999⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Stearns & Foster Lux Estate Elite 16" Medium Euro Pillow Top Mattress

1020

Starting at

$4299⁰⁰

$4699⁰⁰

$400 OFF

Medium Comfort, best for

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

$300 Instant Gift⁴ with purchase of a mattress set.

Sleepy's By Sealy Slumber Medium Mattress

196

Starting at

$709⁹⁹

$2299⁹⁹

$1590 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

604

Starting at

$1379⁹⁹

Medium Comfort, best for

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

Nectar Premier 13" Medium Memory Foam Mattress

588

Starting at

$1099⁰⁰

$1799⁰⁰

$700 OFF

Medium Comfort, best for

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

Nectar Luxe 14" Medium Memory Foam Mattress

242

Starting at

$1649⁰⁰

$2249⁰⁰

$600 OFF

Medium Comfort, best for

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

Serta Perfect Sleeper Nurture Night 13.5" Medium Mattress

1069

Starting at

$1099⁰⁰

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Oasis Sleep 14.5" Pillow Top Mattress

1061

Starting at

$1399⁰⁰

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Black Series Two 16.5" Medium Pillow Top Mattress

301

Starting at

$3699⁰⁰

$4099⁰⁰

$400 OFF

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Tempur-Pedic TEMPUR-ProAdapt 2.0 12" Medium Hybrid Mattress

6276

Starting at

$3999⁰⁰

$4199⁰⁰

$200 OFF

Medium Comfort, best for

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

$300 Instant Gift⁴ with purchase of a mattress set + Calm app 3-month free trial.

Shopping for California King size medium mattresses on Cyber Monday starts with understanding how mattress dimensions and firmness fit your sleep needs. A California King mattress measures 72 inches wide by 84 inches long, offering four inches of extra length compared with a standard king while taking up four fewer inches in width. That longer profile can be especially helpful for taller sleepers who want more room to stretch out. A medium mattress generally falls between plush and firm, combining noticeable cushioning with a supportive feel, though firmness can vary by brand, materials and sleeper weight. For side sleepers, cushioning around the shoulders and hips may help ease pressure, while back sleepers may prefer a surface that cushions without allowing the midsection to sink too deeply. As you compare California King medium mattresses, consider your usual sleep position, whether you share your bed and how much space your bedroom allows for walking around the mattress. Cyber Monday mattress shopping is also a chance to compare construction, comfort features and the total cost of your bedroom setup. A California King memory foam mattress can offer contouring comfort and help limit motion transfer, while a California King hybrid mattress combines foam comfort layers with a coil support system. Neither construction guarantees a particular firmness, so review each model’s stated feel rather than relying on mattress type alone. If you tend to sleep warm, look for details about breathable covers and airflow instead of assuming every cooling feature works the same way. Compare current prices alongside delivery options, return terms and any requirements for a compatible foundation or adjustable base. Remember that California King mattresses need appropriately sized sheets and bed frames; standard king accessories may not fit. Whether you are replacing an older mattress or creating more room to stretch out, focusing on comfort, fit and clearly stated product details can help you choose a medium California King mattress with confidence this Cyber Monday.

What does medium mean in a mattress description? + -

Medium describes a feel between plush and firm, with noticeable cushioning and some resistance when you press into the surface. Firmness labels can vary by brand, so compare the written feel descriptions rather than relying on the label alone.

What materials are commonly used in medium mattresses? + -

Medium mattresses may include memory foam, other cushioning foams, latex or innerspring coils. Some combine several materials, and the arrangement and thickness of those layers help shape the overall feel.

How do foam and hybrid medium mattresses differ in feel? + -

All-foam medium mattresses generally have a contouring feel with less bounce. Hybrid medium mattresses combine foam or latex comfort layers with coils, typically creating a more responsive feel. The exact sensation depends on the materials and construction.

Can a medium mattress have a pillow top? + -

Yes. A pillow top is an added cushioning layer at the surface, while medium describes the mattress's overall firmness. A medium mattress can have a pillow top, a Euro top or a surface without either style.

What product details should I compare when browsing mattresses on Cyber Monday? + -

When browsing California King medium mattresses on Cyber Monday, compare firmness descriptions, comfort-layer materials, coil or foam construction and surface style. Product photos and care instructions can also help you understand how the mattresses differ beyond their firmness labels.