Sun. May 22nd, 2022
Best California king mattresses for 2022

When you’re shopping for the best California king mattress or king mattress, do you usually assume that the California king is larger? If so, you’re definitely not alone. A California king bed is actually more narrow and four inches longer — not wider. They typically measure 72 inches wide by 84 inches long, while regular king size mattresses are 76 inches wide by 80 inches long. 

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That makes a California king mattress great for taller sleepers, or anyone else who enjoys having a bit more space lengthwise. The California king bed is also optimal if you have a particularly long and narrow or rectangular-shaped room. The California king mattress bed frame tends to work best in rooms with dimensions of at least 12 feet by 12 feet. If you’re more concerned with having a wider bed than a longer one (like if you have a partner who loves to wiggle), a standard king mattress is a better mattress type option for you.

If you’re ready to take the plunge on a new California king bed, we took a close look at which mattresses work best in the California king size. Regardless of what mattress type you’re looking for — a memory foam mattress, innerspring mattress, hybrid mattress, or some other variation that caters to your preferred sleeping style — here are the best California king mattress options we found. (All prices listed are the regular, non-sale list price.)

Read more: The best bed sheets for every type of sleeper

Lindsey Boyers/CNET

The Layla Hybrid tops our list as the best California king mattress, particularly because this king bed is conveniently flippable, with a softer and firmer side to choose from. The firmer side of the Cal king mattress is said to be better for hot sleepers, heavier people and back and stomach sleepers, while the softer side is better for side sleepers and lighter people (up to 130 pounds). The softer side also has more pressure relief and less motion transfer.

The Layla Hybrid California king bed consists of layers of gel memory foam, support foam, pocketed coils and a center layer of copper-infused foam. The center foam mattress layer is designed to draw heat away from the sleeper’s body to help cool them off while they sleep, while simultaneously adding antimicrobial properties to prevent bacteria buildup in the mattress.

Whether you sleep alone or with a partner, with the Layla Hybrid in the California king size mattress, there will be sufficient space, sleepers will remain cool throughout the night and, depending upon which side is chosen, any size sleeper can enjoy optimal pressure relief and comfort with a firmer mattress side available. 

The Layla Hybrid California king size bed is available with a 120-night sleep trial, 10-year warranty and free shipping in the contiguous 48 states. 


The all-foam Casper Original is an ideal candidate for a California king mattress, and you’ll frequently find them in spacious master bedrooms because of its affordable price. The innovative zoned support technology in the Casper Original is known for helping to alleviate back pain, as its pressure-relieving and spinal-aligning features work together to give the sleeper a pain-free night’s sleep. 

The Casper mattress is divided into three separate regions, the foam layer zones offer a softer area to cradle the shoulders, neck and upper body, in addition to a firmer foam to support the hips, waist and lower back. Once you’ve discovered your most comfy sleeping position on the Casper Original, you can count the days to pain reduction. Casper doesn’t miss with the eco-friendly shoppers either, as its Original mattress cover is crafted from recycled bottles.

Whether the kiddos (or fur kiddos) gather with you at night or you’re a family of one or two, this California king bed is likely to keep everyone comfortable with plenty of space to spread out within its Cal king dimensions. You definitely won’t have to worry about Fido having enough room at the foot of the bed.

Made in the USA, the luxurious California king Casper Original is available with a 100-night sleep trial, free shipping and returns and a 10-year warranty. Read our Casper Original review for more information.


The Saatva Classic is a supportive mattress with a combination of contouring latex foam, supportive innerspring coils and special lumbar technology that makes it great for side sleepers. As a hybrid, the Luxury Firm model of this mattress is a perfect medium-firm in California king; It’s sturdy enough to prevent sagging all the way to the foot and edges while not being overly firm compared to the all-foam varieties. 

The Saatva Classic hybrid mattress is unique in the direct-to-consumer realm in that it doesn’t arrive in a box (so make sure your doorways and stairs can fit a California king’s dimensions). But that means it can be made to order after you select your preference of firmness level as well as your choice of height: 11.5 inches or 14.5 inches. Based on my own testing, I found the beds range from medium to firm, depending on the firmness level you choose. Finally, the California king bed mattress reaches new levels of coziness with a three-inch Euro pillow top. All of this also works well for larger mattresses like the Cal king.

With your purchase at Saatva, you get a 180-night sleep trial, a 15-year warranty and free delivery with in-room setup and old mattress removal. Read more for our full Saatva mattress review


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Having enjoyed a hands-on test of the Avocado Green mattress, I can say from experience that it’s a joy to sleep on. And on top of being highly comfy, especially for back, stomach and heavy sleepers, this Cal king mattress is also eco-friendly — Avocado’s mattresses are made of organic wool, cotton and latex.

In addition to using organic materials, Avocado sources its wool from its own co-owned Indian wool farm, where more than 200,000 sheep roam freely across 40 organic hectares. If you’d prefer a vegan mattress without wool of any kind, Avocado also makes the same mattress in a vegan variety, which also comes in a California king. The company also grows and processes its own organic Dunlop latex. Each mattress is handcrafted in its California factory, where the company bypasses the use of toxic glues by implementing a traditional hand-tufting technique. And if that’s not enough, their mattresses are all tested to ensure low emissions, guaranteeing that they meet air quality standards.

If you need a slightly longer medium-firm mattress to support a larger or taller body, the Avocado Green in California king size is a great choice. It’s also an ideal firmer mattress for back and stomach sleepers, as well as those with back pain. A little extra space lengthwise gives the healing body plenty of room to do its thing. 

Avocado’s USA-made mattresses come with free shipping, a one-year sleep trial and a 25-year warranty. Read more at our full Avocado mattress review


Amerisleep’s AS2 Hybrid mattress features a proprietary memory foam called Bio-Pur, which is highly responsive and quick to recover whenever a sleeper moves, adding some motion isolation. It’s remarkably supportive with a medium-firm density, so it relieves pressure and helps with spinal alignment. For taller folks or couples with back pain, the California king AS2 Hybrid is a wise choice.

The Bio-Pur foam is also well ventilated and breathable compared to more common varieties, leaving sleepers cool throughout the night. And an eight-inch layer of coils and a layer of HIVE technology (hundreds of hexagonal cutouts spread across five zones) allow for ideal support and cushioning right where your body needs them.

The AS2 Hybrid California king mattress is beneficial for all types of sleepers, including folks who move around and change sleeping positions a lot at night. In addition, it’s CNET’s pick for the best mattress for couples, and the California king bed offers extra leg room.

With the AS2 Hybrid, you get free shipping and returns, a 100-night sleep trial and a 20-year warranty. Read more in our full Amerisleep mattress review


With a six-layer hybrid design that includes memory foam, recycled springs and a hypoallergenic Merino wool and cotton cover, the Leesa Legend mattress is the company’s most sustainable model. In the California king mattress, it’s beneficial to everyone from taller folks to families, and it works well for all sleeping positions — especially side sleepers. 

Reviews boast that the luxury hybrid Legend Cal king mattress has optimal edge support and minimal motion transfer, while the pressure-relieving memory foam is breathable and responsive. The cover is not only super-soft, but also hypoallergenic and naturally heat-wicking, thanks to the wool and cotton.

The Leesa Legend California king is a cushiony 12 inches thick luxury mattress, making the already brag-worthy contouring foam even more desirable. If you purchase the Legend in California king, you can feel satisfied that you’re buying an eco-friendly product, as this cover is also made partially from a whopping 73 recycled water bottles each (similar to the Casper). And Leesa gives back, too: For every 10 mattresses sold, a bed is donated to a child in need.

These mattresses are made to order, so it may take a bit longer to receive your Leesa Legend for your California king size bed, but it’s worth the buy if you can wait.

When you purchase a Leesa Legend mattress in California king, you get a generous 100-night trial, a 10-year warranty and free delivery. 

Helix Sleep

As a hybrid of high-density and gel memory foam added to over 1,000 wrapped coils, the Helix Midnight Luxe mattress offers enhanced contouring and pressure relief under a breathable pillow-top cover. Add that to its impressive lumbar support layer, firmer mattress feel, and you have a superb Cal king size bed combo in all sizes, especially the extra-long and accommodating California king. 

This California king bed mattress is above average when it comes to motion transfer and zoning technology, making it ideal for couples. It sits right in the center of the firmness scale, as Helix says it’s from a 4 to 7 out of 10. And while it’s an excellent option for side sleepers as advertised, the medium feel and specially zoned support of the Helix Midnight Luxe can actually work well for back, stomach and combination sleepers, too. So if you sleep with a partner, this mattress in California king provides enough room for everyone to compromise on their preferred firmness level and motion isolation. 

The California king Helix Midnight Luxe mattress comes with a lengthy 100-night sleep trial, a 10-year warranty, free shipping and financing if you qualify. Read more in our full Helix mattress review

Lindsey Boyers/CNET

The Helix Plus is designed to offer a firmer mattress with extra support and comfort for those with larger or taller-than-average bodies, making it an ideal plus-size mattress in the California king size. However, it also makes a great fit for just about all sleepers, regardless of size or sleep position preference. As long as the 7-to-8 firmness level rating doesn’t bother you (it’s a medium to firm feel), this mattress is likely to be a superb match.

Providing excellent pressure relief, the Helix Plus Cal king mattress offers just enough give to maintain support while letting the sleeper get cozy in the contours of the memory foam. This mattress also offers fantastic motion transfer, so you may not even notice your sleeping partner getting in and out of bed.

The California king size of the Helix Plus contains all the extra support, higher density foam and conveniently low motion transfer of the smaller versions, providing a longer mattress and the width of a spacious king. And for any bigger or taller folks who may sleep better with a little more space between them, this size is ideal. 

When you purchase a Helix Plus mattress in California king, you get free shipping, a 100-night sleep trial, a 10-year warranty and possible financing options. Read more in our full Helix mattress review

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