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Best Extra-Firm Mattresses Of 2024 For All Types Of Sleepers (Tested)

Jack Byram
Author:
February 21, 2024
Jack Byram
mbg Contributing Writer
By Jack Byram
mbg Contributing Writer
Jack Byram is a freelance writer who covers health and wellness. He’s also spent a lot of time reviewing everything from tech gadgets to home goods, and writing about them for varying outlets.
Best Extra Firm Mattress Round Up Stacked Mattresses
Image by mbg creative/ Andreas Von Scheele
February 21, 2024
We carefully vet all products and services featured on mindbodygreen using our commerce guidelines. Our selections are never influenced by the commissions earned from our links.

While every sleep setup should share a few key similarities to maximize sleep quality—such as minimal light and noise pollution—other factors are personal.

One preference that's likely to vary from person to person? Mattress firmness.

A few factors can affect the right mattress firmness for you, including your sleep position, body weight, and any issues with chronic pain.

So while the thought of snoozing on the best extra-firm mattress may not be for all, it's a fairly popular pick for those who sleep on their stomach or need more support.

And because we understand the importance of a good night's sleep and the pivotal role a quality mattress plays in achieving it, we meticulously selected a range of extra-firm mattresses from top brands renowned for their quality and craftsmanship.

Our team of testers spent countless hours assessing comfort, durability, and support levels, considering various sleep preferences and body types.

Below, find our top picks for the best extra-firm mattresses on the market, per sleep experts and testers.

Best extra-firm mattresses on the market
Best overall firm mattress

Plank by Brooklyn Bedding

Best Extra-Firm Brooklyn Bedding Plank Mattress on brown baseboard in testing stuido
Twin
$749
Queen
$1,332
King
$1,532

Mattress type: Memory foam | Sizes available: Twin, XL-twin, full, queen, king, CA king, split CA king, short full, short queen, olympic queen, short king, RV king | Firmness options: Firm, extra-firm

Plank's name should tip you off to everything you want to know about this flat design. The flippable mattress gives just two options to sleepers: firm and ultra-firm.

According to the brand, achieving anything more firm than the "ultra-firm" side would require you to sleep "directly on the floor."

What that really means? Each side of the memory foam mattress has a different type of cushioning. One side has less than an inch of pillow cushioning, while the other provides twice the cushioning and a 2-inch foam comfort level.

We chose this mattress as our top pick simply because we were impressed by its innovative design offering multiple options within a single mattress.

It's unique flippable design allows sleepers to tailor their sleep experience to their precise needs, whether seeking substantial support or a slightly softer feel.

If you're looking for a full review, check out our full written and video review of the Plank mattress.

Key specs
  • Trial period: 120 nights
  • Warranty: 10-year
  • Certifications: None
  • Best for: Back sleepers, stomach sleepers, hot sleepers
What we like
  • Optional cooling cover
  • Flippable design for customized firmness
What we don't like
  • Slippery
  • Doesn't have great edge support

How it's made

The Brooklyn Bedding Plank Firm mattress is meticulously crafted with high-quality materials to provide unparalleled support and comfort while you rest.

It features thick and breathable foams that give your body the firm support it needs, all while keeping you naturally cool all night long.

Bonus: Hot sleepers will appreciate the relief of the optional GlacioTex™ Cooling Cover that provides instant cooling while you sleep.

What we found from sleeping on it

After putting it to the test, our team found the Plank Mattress to be a great pick for anyone searching for the firmest of the firm.

While it does not meet our ideal sustainability standards for mattresses, it does provide a supportive yet comfortable feel for many types of sleepers.

Side sleepers should avoid this pick and look for something softer, but back and stomach sleepers will enjoy the flat, firm surface.

Best latex

Avocado Latex Mattress

Best Extra-Firm Avocado Latex mattress on bed frame in mindbodygreen studio
Twin
$2,400
Queen
$2,700
King
$4,000

Mattress type: Latex foam | Sizes available: Twin, twin-XL, full, queen, king, CA king, split CA king | Firmness options: Medium firm

The most eco-friendly mattress in the line-up, this sleek pick is entirely biodegradable.

The 9-inch mattress is primarily composed of GOLS-certified organic Dunlop latex, which is harvested from Avocado's personal farms.

Each dense layer of latex is cut into a patented zigzag wave pattern. While this sounds unconventional, it actually creates three pressure-relieving zones throughout the mattress with different levels of responsiveness.

The end result is the optimal spine-aligning design that's endorsed by the American Chiropractic Association.

Key specs
  • Trial period: 1-year
  • Warranty: 25-year
  • Certifications: GOTS-certified, GOLS-certified, eco-INSTITUT label, STANDARD 100 by OEKO-TEX, GREENGUARD Gold, Formaldehyde-Free Claim Verification
  • Best for: Back sleepers, side sleepers, hot sleepers
What we like
  • Made with sustainable materials
  • Heavy-duty handles for easy movement
  • Needle tufted by hand
What we don't like
  • Shipping fee to Alaska & Hawaii
  • Weighs at least 95 pounds (and up to 185)

How it's made

We chose the Avocado Latex Mattress because it's handcrafted with meticulous attention to detail, utilizing premium organic materials to create a sleep surface of premium quality. 

At its core lies organic latex that provides a supportive and responsive foundation for restful sleep.

This latex layer is complemented by a combination of certified organic wool and cotton, enhancing breathability and moisture-wicking properties while promoting a comfortable and healthy sleep environment.

What people are saying

"This bed is extremely comfortable. I have no regrets on this splurge for my personal well-being. An unexpected positive taking point with this mattress is its heat dissipation qualities. This mattress keeps me cooler at night than previous mattress allowing for better nights sleeps, especially in the summer months." —Ryan L

"After reading various reviews we decided to buy an Avocado mattress. It arrived promptly and was easy to unpack. There was absolutely no odor noted. The mattress felt soft to the touch. My hip pain from sleeping on my side went away within days. It’s comfortable and met our expectations." —Steva S.

Best hybrid

Saatva Latex Hybrid

Image by mbg creative
Twin
$1,495
Queen
$2,195
King
$2,595

Mattress type: Latex | Sizes available: Twin, twin-XL, full, queen, king, split king, CA king | Firmness options: Features ergonomic firmness zones 

If you’re someone on the search for a sustainable, supportive mattress that’s designed to last, then the Saatva Latex Hybrid could be the perfect fit.

The hybrid model combines the responsive, bouncy feel of latex with the adaptable spring of coils for a firmer option with stand-out support.

A great pick for those who like the feeling of sitting on top of their mattress rather than sinking into it, this Saatva design offers great edge support and solid motion transfer for a partially latex design.

Key specs
  • Trial period: 1-year
  • Warranty: Lifetime
  • Certifications: GOTS-certified, GOLS-certified, GREENGUARD Gold & eco-INSTITUT® certified
  • Best for: Back, stomach, side, combination, and hot sleepers
What we like
  • Free in-room delivery & setup
  • Hypoallergenic
  • Good motion isolation
What we don't like
  • Pricier option
  • Charges a fee to return
  • Body may imprint quickly
Best with same-day shipping

Sleep On Latex Pure Green Organic Latex Mattress

Mattress type: Latex | Sizes available: Twin, twin-XL, full, queen, king, CA king | Firmness options: Medium, firm

Stay sustainable without spending a fortune; this all-natural pick is made with entirely organic materials. The 8-inch latex mattress is broken into two layers—a sturdy base and less dense comfort layer—to offer the optimal amount of pressure relief.

Despite this sturdy construction, you won't need to worry about the mattress overheating thanks to the layer of temperature-regulating wool batting surrounding the exterior.

Bonus: Free returns means you can swap between the two firmness levels to guarantee that you've made the right pick.

Key specs
  • Trial period: 100 nights
  • Warranty: 10-year
  • Certifications: GOTS and GOLS Certified Organic, Fair For Life – Fair Trade (Latex Foam), Oeko-Tex Standard 100
  • Best for: The medium firm option is best for couples with different sleep styles while the firm option is great for stomach sleepers and back sleepers
What we like
  • No assembly required
  • Quilted, sewn & packaged in brand factory
  • Free returns
What we don't like
  • Not recommended for use with box springs
  • Shorter warranty than other brands

What to look for in an extra-firm mattress

  • Price: It's possible to find an extra-firm mattress on a budget under $300, but there are plenty of splurge-worthy options available, too.
  • Warranties: Your mattress is an investment, so it's important to find a design that's constructed to last. A warranty is a great way to suss out what's built for the long haul.
  • Sleeping position: Stomach and back sleepers will love the support offered by an extra-firm mattress, which helps maintain proper alignment by reducing the sinking common in softer constructions.
  • Weight limit: An extra-firm mattress can be a great option for people who weigh more than 230 pounds, but it's important to look at the weight limit to ensure the construction offers enough support.

How we picked

  • Firmness: Unfortunately "firmness" varies by brand, so the label extra-firm isn't always enough to ensure the mattress has zero give. To get as close as possible, we only selected mattresses at the top 20% of the firmness scale for each company.
  • Certifications: We focused mainly on mattresses made of GOLS-certified organic latex and GOTS-certified organic cotton. However, when that wasn’t possible we looked into manufacturing processes to make sure the mattresses were environmentally conscious.
  • Testing: We called all mattresses into our testing studio to determine whether they provide pressure relief, motion isolation, and edge support. Our findings were included as star ratings for each pick. 
  • Sleeping positions: You may notice a few less firm options in our guide; these accommodate side sleepers who need a firmer option but can't commit to the rock-solid feel of an extra firm pick.

What we skipped

Prior to testing for this buying guide, our team previously included the Zinus Pressure Relief Extra Firm iCoil® Hybrid Mattress.

Upon further examination, we felt this budget-friendly pick didn't offer the same quality of materials provided by the other options in the guide.

The brand also underwent scrutiny last year for including fiberglass in its mattress, which is used to as a natural flame retardant to prevent the use of chemicals.

However, regular wear-and-tear of a mattress can allow these small fragments to escape the covers used in many mattress—leading to negative health consequences.

How do brands measure firmness?

Brands typically rate mattress firmness on a scale of 1 to 10. A lower number indicates softer cushioning, while higher numbers point to an extra-firm design.

While nearly all mattresses feature a comfort layer made with cushioning or responsive foam, soft mattresses tend to have thicker comfort layers versus the thinner layer on firm designs.

Although many brands use the same 10-point scale, there is no universal metric for firmness. As a result, it's important to read into the construction of every mattress to better understand how it may fit your preferences.

Who should sleep on an extra-firm mattress?

Side sleepers beware—an extra-firm mattress is not for you. Chiropractor Kevin Lees, D.C., of The Joint Corp previously told mbg that "a mattress that is too firm may cause shoulder and hip pain, as well as change the spinal alignment."

That's because side sleepers put pressure on their shoulders and hips, which needs to be counteracted by the mattress. An extra-firm mattress won't provide this responsiveness, making them a hard sell.

However, stomach and back sleepers can find an oasis in this solid construction.

The firm base keeps your spine in a neutral alignment when lying on your stomach or back, preventing your risk of aches and pains.

The extra-sturdy construction is also ideal for those who weigh more than 230 pounds, which is often the max weight considered for many designs.

Of course, you're the best judge of how firm you want your mattress to be. Take advantage of trial periods, flippable mattresses, and free returns to find the right firmness level for you.

Summary

Stomach and back sleepers typically find extra-firm mattresses beneficial due to the support they provide. Side sleepers, however, may not find extra-firm mattresses as comfortable or supportive. 

FAQ

What is the hardest mattress you can buy?

Generally, any mattress made with foam and latex with a thinner pillow-top will provided the firmest sleeping base. Of all the mattresses on our list, Plank by Brooklyn Bedding is one of the firmest options you'll find (and it's flippable in case it's a little too firm).

Can a mattress be too firm?

Per our expert, a mattress that's too firm could cause shoulder and/or hip pain, as the firm surface may mess with proper spinal alignment. Luckily, every mattress on our list offers a trial period, ensuring you can return any selections that ends up disrupting your snooze by causing aches or pains.

Is it better to sleep on a hard or soft mattress?

Ultimately, the best surface your snooze comes down to a few different factors, including sleep position, body weight, and personal preferences. We recommend sticking with brand offering generous sleep trial to help you narrow down your personal preference.

Is a firm mattress better for your back?

Typically, firm mattresses are best for those who sleep on their backs—but plenty of other factors can impact whether a mattress is right for you. Studies suggest a medium-firm mattress is best for those who struggle with back pain.

What is the best firm mattress?

The best firm mattress depends on what you're looking for in a mattress. If you want the firmest option on the market, look no further than Plank by Brooklyn Bedding. Those wanting an affordable, eco-friendly design should consider Sleep On Latex.

The takeaway

The firmness of your mattress typically comes down to preference—and from there it's easy to find the right design for you.

Whether you want a hybrid mattress or simply prefer an option made with sustainable materials, we've got the best extra-firm mattresses for every sleeper.

And once you've treated yourself to a better mattress, put the cherry on top with these cooling sheets for perfect night's sleep!

What we've updated since publishing this article

February 2024: After completing a series of experiments on our mattresses in our testing studios, we updated this guide to reflect our findings pertaining to motion isolation, pressure relief, responsiveness, and edge support. Hands-on access to these mattresses allowed our testers to determine how firm each mattress truly felt, so we could find the "firmest" option on the market. During these tests, we discovered the Saatva Latex Hybrid was softer than anticipated based on the brand's firmness rating. However, our testers who sleep on their side felt this was one of the firmest options they could sleep on without causing shoulder or hip pain.

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