The 10 Best Cal King Mattresses in 2024 - Reviewed by Appliances Radar

General Note: Please allow 24 to 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding.

WAKE UP FEELING REFRESHED: This Avenco California king mattress designs with skin-friendly Tencel fabric for cool touch feeling, and the open cell latex foam for better airflow and breathability. The memory foam mattress cal king keeps cool while you sleep, and the moisture absorption fabric keeps dry and refreshed,ODOR-FREE AND NOISE-ABSORPTION: The cal king mattress has 3 layers of high-density foam that can absorb the noise while you sleep. Premium bamboo charcoal memory foam can prevent odors, regulates temperature, and prevents overheating when you sleep on this cal king memory foam mattress

MOTION ISOLATION AND SUPPORT: Individual pocket springs keeps motion isolation that you won’t be disturbed by your partner. Each spring in this California king memory foam mattress works independently so don’t worry about sagging. You can enjoy a peaceful night with our hybrid cal king mattress

PRESSURE RELIEF AND COMFORT: This mattress California king will shape into a natural shape of your body, conforms to your curves and spinal alignment, relieve pressure points. The mattress in a box cal king is suitable for all sleeping positions, you will feel relax and sleep comfortably

QUALITY ASSURANCE: Our California king size mattress is compressed and smartly delivered in a box for a convenient setup. The firm memory foam mattress California king needs 24-72 hours to fully expand. Sizes are subject to ±0.5 Inches. Ordering our Avenco cal king mattress will come with 100 nights sleep trial and 10-year manufacturer support

Float on a cloud in amazing comfort with body conforming memory foam and ventilated pressure relief foam

High density base foam layer ensures support for a good night's sleep

Green tea infusion helps keep you and your mattress fresh with its calming effects and odor control

Pressure relief system virtually eliminates all pressure points along your body with a breathable open cell design for deeper sleep

Made with CertiPUR-US certified foams, OEKO-TEX certified comfort Poly Jacquard fabric cover, 10-year manufacturer's warranty

General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding

Perfect top layer supports your bodyweight and maintains your body shape to rest in the best condition

I-Gel disperses temperature accumulation to maintain a constant mattress temperature

High density foam prevents defection of memory foam

HD Convoluted foam provides ventilation to keep mattress dry and cool

4-layer construction for support and pressure relief, a perfect solution for sleepless nights

General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding.

Quality Medium Firm Mattress - offers ideal level of comfort and support for all sleeping positions. Perfectly balanced to relieve pressure and sleepless nights..Cooling Gel-infused Foam Layer – to better regulate temperature. Breathable outer cover

High Density Base Layer – For a longer-lasting and durable mattress.

Allow the mattress 72 hours to expand for the best results.

General Note: Please allow 24 to 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding.

72" W x 84" L x 12" H,The newest technology in bedding, this mattress combines the traditional innerspring wrapped coils with the newest generation of gel memory foam for an optimal sleep experience.

Beautifully detailed quilted pillowtop knit cover with a corded edge and coordinating knit sides for breathability

Gel infused memory foam disperses body heat and creates a more comfortable sleeping surface layer combine with comfortable orthopedic support foam for a more restful, deeper night's sleep

8 inches of wrapped innerspring coils move independently reducing the sensation of movement and minimizing motion disturbances

High-quality memory foam conforms to your body while the cool gel regulates body temperature; porous, open cell design allows for a greater circulation and meets CertiPUR-US program standards for performance, emissions, and durability

Pillow top with cushion-firm feel. Naturally antimicrobial and resistant to allergens, mold and dust mites

General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding

COOL, CALM & COMFY - This mattress delivers the 3 C’s of sleep, even if your partner likes to practice their dance moves in bed; our cooling swirl memory foam and independent coil system eliminate excess heat and motion from a sleeping partner, for sleep that’s no sweat

CONFORMING FOAM & POCKET SPRINGS – Layers of soft comfort foam, cooling swirl memory foam, supportive fusion foam and motion-isolating independent pocket springs provide customized pressure relief and rest that’s cool and undisturbed

CERTIPUR US CERTIFIED - Highest quality foam is CertiPUR US Certified for durability, performance, and content

EXPERTLY PACKAGED - Our technology allows this mattress to be efficiently compressed into one box that’s easily shipped and maneuvered into the bedroom; simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours

Worry-free 10 year limited warranty included; twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs

RESPONSIVE HYBRID DESIGN – The contouring comfort of memory foam and the durable, bouncy feel of steel springs come together in one hybrid mattress to create our most popular mattress ever

UNBEATABLE VALUE – Comfort meets value when it comes to this affordable California king mattress, it’s made with durable materials to give you and your family good sleep for many years to come

MEDIUM FEEL – With multiple supportive layers, this medium Cal king mattress provides just the right amount of support, not too soft and not too firm for universal comfort

MULTIPLE OPTIONS – This 10-inch California king mattress is designed for sleepers of all ages, and it’s available in as an 8-inch mattress and 12-inch mattress for more customized comfort

SHIPS TO YOU – With direct shipping to your door, this innerspring and memory foam mattress is so much more than just a bed in box—it’s the complete package

Medium Firm Feel: S SECRETLAND Individually Wrapped Coils Innerspring Mattress is supported by hundreds of individual pocket springs, which is durable in use. Memory foam with 3D soft knitted fabric on the top increase its comfort level.

Support system: Tempered steel coil system provides powerful support to each part of your body (Feet, legs, hips, waist, shoulders, neck, head), catering your vertebral well. Tightly knit edges and reinforced foam maximize edge support.

High Permeability: 3D knitted dual-layer cover allows the mattress to breath freely, creating a dry, restful sleep. Also the Coil system permits additional airflow.

Certified Safe: Mattresses are certified by CertiPUR-US and Oeko-Tex Standard 100 without harmful substances like formaldehyde, mercury, and other heavy metals, ensuring a no concern sleep

Warranty: our mattress come with 10-year warranty. Mattress ships compressed, rolled and shipped in a box for easy set-up; frame/foundation/base not included. S SECRETLAND offers a comprehensive customer service, available 7 days a week.

365-NIGHT HOME TRIAL & FOREVER WARRANTY - Our industry-leading trial period and warranty starts the day your Nectar mattress is delivered. Sleep on it for an entire year in all four seasons. Your mattress is guaranteed for as long as you own it.

GEL MEMORY FOAM - Nectar is a gel memory foam bed-in-a-box mattress designed for every kind of sleeper. It helps you sleep cool and conforms to every curve. Get support where you need it, and comfort where you want it.

FIVE LAYERS OF COMFORT - Sleep easy breezy on an airy, heat-wicking quilted cover with cooling technology. Gel memory foam cradles your body and relieves pressure, while the dynamic response transition layer provides tailored support, plus rebound and bounce. The stability base layer of conventional foam ensures the layers on top perform their best, while the shift-resistant lower cover means your mattress stays put.

PERFECT SUPPORT FOR ANY POSITION - Whether you're a side sleeper, back sleeper, stomach sleeper, or just toss and turn, Nectar offers optimal level of firmness, coolness, breathability, and comfort.

General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding

LAYERED TO PERFECTION - A foolproof combination of individually wrapped iCoil innersprings and supportive foams topped with a dreamy, microfiber quilted cover add up to undisturbed, restorative sleep that’ll have you daydreaming about bedtime

SUPPORTIVE FOAM & POCKET SPRINGS – Layers of soft comfort foam, durable high density foam and motion-isolating iCoil pocket springs with a quilted, microfiber top; ideal for back sleepers and average weight to plus-sized sleepers

OEKO-TEX CERTIFIED – This mattress conforms to Europe’s highest standards and meets OEKO-TEX requirements to be free of harmful chemicals and substances

EXPERTLY PACKAGED - Our technology allows this mattress to be efficiently compressed one box that’s easily shipped and maneuvered into the bedroom; simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours

Worry-free 10 year limited warranty included; twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs