Top 15 Best Firm Mattresses 2021 Reviews

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Welcome to the Best Firm Mattress Reviews feature. Firmness is one of the key features of mattresses to consider as you shop. Those who weigh less or sleep on their sides are better off with the plusher mattresses while the majority of users can find what they are looking for in a medium-firm mattress. Also, harder sleeping surfaces tend to be better for heavier people as well, since they offer better support.

The firm mattress more easily supports shifting sleep positions than the mattress with minimal support, particularly for side and combination sleepers. This guide will help you explore the firm mattress reviews and buying guide to help you decide. See our recommendations Best King Size Mattress, Best Air Mattresses and Best Memory Foam Mattress

Benefits Of Firm Mattress

  • Better airflow
  • Less sag in your sleep
  • Improved alignment
  • Optimal edge support
  • Proper weight distribution
  • Decrease Stress
  • Reduce Pressure Points

Comparison of Table

Best Firm Mattresses

Below is the Best Firm Mattress to buy in 2021.

#Plank by Brooklyn Bedding Queen Size Firm Mattress

This firm mattress from Brooklyn Bedding offers a flat and firm surface to the user for a neutral position of the spine that is ideal for your overall posture and back. The flappable design with the top comes with 0.75 inches of a quilted layer that delivers an ultra-firm sleeping experience to the user.

You can also flip the bedding and experience the minimal loft of the 1.5 inches of a quilted layer to give a sturdy sleeping environment. It comes with an architecture of 7 inches of based foam of immense density and 2 inches of firm transitional TitanFlex foam for long-lasting durability and compression support. It also follows all the regulations of the Consumer PRODUCT Safety Commission and does not contain any flame retardants, heavy metals, phthalates, mercury, formaldehyde, and lead.

It comes rolled in a box to your doorstep and needs one day to expand and any potential odor to dissipate. The entire product is manufactured in the USA with ten years of unbelievable warranty from the company. All the material of the bedding is CertiPUR-US certified as it is composed of no PBDEs, TCEP, ozone depletes, or TDCPP.

Plank by Brooklyn Bedding 11-Inch TitanFlex Two-Sided Firm Mattress, Queen


  • 11 inches in size
  • TitanFlex foam of 2 inches
  • 7.5 inches of top quilted layer
  • 1.5 inches of a base layer
  • Made in the USA
  • 10 Year Warranty

  • Provides compression support.
  • Excellent for your back.
  • Comes with a flappable design.

  • Loose threads due to uneven stitching.

#12 Inch Iyee Nature Mattress

This mattress from Iyee nature comes with 12 inches of size with 54X75X12 inches of dimension. It includes three layers of foam to improvise the dissipation of heat and support to the user. The mattress comes in 2.5 inches of memory foam, 7 inches of the base supporting high-density foam, and 2.5 inches of foam forming a comfortable middle layer. The hypoallergenic outer cover can be easily removed and washed according to your convenience.

The specialized Research and Development Team of the company guarantees you only the best mattresses to the customers. It meets all the 100 safety standards of Oeko-Tex and CertiPUR-US that are possible only due to the exclusion of all the toxic chemicals like formaldehyde and mercury. In a few words, this mattress delivers you the feelings of a supportive and well-balanced layer due to the gentle and comfortable underpin.

The company is offering ten years of warranty on the product with outstanding customer service and faster shipping. The bedding comes in a box package that remains compressed during delivery. It requires 72 hours to get back to its original lofty shape and can fit any adjustable bed frame or platform.

Full Size Mattress, 12 Inch Iyee Nature Cooling-Gel Memory Foam Mattress Bed in a Box, Supportive & Pressure Relief with Breathable Soft Fabric Cover, Medium Firm Feel,Black


  • 12 inches in size
  • 2.5 inches of memory and comfortable foam
  • 7 inches of the base supporting foam
  • Certification from Oeko-Tex and CertiPUR-US
  • Available in 2 colors
  • Ten years of warranty

  • Soft and comfortable.
  • High bounce and rebound.
  • Easy unwrapping of the product.

  • The inner lining of the cover does not last long.

#Sweetnight Ocean Blue 8 inches Mattress

This 8 inches mattress from Sweetnight comes with perfect support and balance with an individually wrapped memory foam and innerspring. The specific pocket spring offers an average and all-over support to the user. The foam layer of the highest density makes you feel relaxed, the memory foam gel layer slowly controls the body temperature and weight. This layer also delivers a buffer so that the user will never feel the coil for optimal comfort.

The individual coils are covered by separate pockets that help to prevent the motion transference between the partners through equal distribution of the weight. It also contours the body curves of the user and releases all the pain from the pressure points for uninterrupted night sleep. The rayon cotton material offers unsurpassed softness with high heat dissipation from the body.

This pillow top bedding resists any roll-off, sagging, and sinking of the user with a medium firmness feel. The outer cover is composed of natural materials to provide optimal health to the user. The spring coil is composed of high-quality carbon steel for deformation, anti-corrosion, and rust prevention endurance. You will always have a good night’s sleep and will feel refreshed after waking up.

Sweetnight Ocean Blue 8' Hybrid Mattress | Gel Memory Foam & Individually Pocket Springs | Full Size


  • 8 inches of a hybrid mattress
  • Well knitted fabric
  • High-density foam with air-flow design
  • Well wrapped pocketed coils
  • CertiPUR-us certified
  • 10 years warranty

  • Healthy and safe to use foam.
  • Well segmented support.
  • Cooling softcover.

  • A bit heavier to move.

#Casper Sleep Element Mattress

This firm mattress is the perfect combination of support and softness. The upper layer of the memory foam is known to conform to the body which in turn helps in relieving the pressure. This model also involves the AirScapeTM breathable perforated foam which enhances the airflow and helps in the circulation of air.

Hence, you do not feel very hot during the night. Besides this, the tiny holes eliminate the body heat and hot air. The durable base foam is another notable attribute of this model which prevents sagging and sinking as you try to support the body.

It also ensures pressure relief under the waist, hips, and lower back. By choosing this unit, you will get amazing comfort at the most exclusive prices. The eco-friendly cover of this unit is composed of recycled materials so that you can zip it off at ease.

The knit mattress covers of this unit feature a four-way stretch. You will get a 100-nights trial as well. They are composed of 121 recycled plastic bottles.

Casper Sleep Element Mattress, King


  • AirScapeTM breathable perforated foam
  • Eco-friendly cover
  • Durable base foam
  • Four-way stretch
  • Certified by Casper’s Sleep Lab
  • 100-night trial

  • Breathable.
  • Durable.
  • Comfortable.

  • Some users encountered serious itchiness over the whole body.

#AMERICAN BEDDING 11-inch Medium Hybrid Gel Memory Foam Firm Mattress

This model features a 4-way stretch cover which is known to move along with the mattress. It bestows customized support for different types of sleeping positions and body types. The Hi-Tech Hybrid Technology is another positive attribute of this model which includes several layers of comfort support and gel-infused memory foams which is useful in responding to the weight of the body to ensure customized ergonomic support. 

The encased pocketed springs of this model are responsible for the insulation and absorption of motion and thus your partner will not find an interruption in the sleep. The gel-infused memory foam of this unit is useful for the regulation and temperature and airflow so that you can enjoy a comfortable and cool sleep.

As the CertiPUR-US foam of this model does not include any harmful chemicals, it is believed to be a safe choice for the environment. This model includes a limited warranty for 10 years.

11 Inch Hybrid Mattress, Gel Memory Foam and Innerspring Support, Medium Firm Feel, Queen


  • Hi-Tech Hybrid Technology
  • Encased pocketed springs
  • Gel Infused memory foam
  • CertiPUR-US foam
  • 4-way stretch cover
  • 10 years warranty

  • Eco friendly.
  • Easy to setup.
  • Well made.

  • Few users reported that it became too soft after some days.

#Purple Firm Mattress 

This firm mattress from purple is best for back pain. This firm mattress that supports you in all the right places while you rest. The Hyper-Elastic Polymer Smart-Comfort Grid offers support for the spine to keep its natural curve.

This firm mattress made from non-toxic and food-grade material. The materials used to protect against allergens and dust mites. The airflow technology with the breathable channel neutralizes temperatures and won’t trap heat.

The mattress is motion-isolating so your partner will not disturb you if they get up regularly during the night. This firm mattress available in different sizes. It is CertiPUR-US certified.

The company offers a 100-night trial.

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  • Made from non-toxic material
  • Hyper-Elastic Polymer
  • CertiPUR-US Certified
  • Free Air Flow technology
  • Available in different sizes
  • Temperature neutral
  • 100-night trial

  • Soft.
  • Excellent quality.
  • Comfortable.

  • Heavy.

#TEMPUR-Flex Hybrid Mattress

This medium-firm mattress from Tempur perfect for users who don’t want too much cushion.  This is a hybrid mattress having both and foam. It is a non-toxic mattress made with safe material which is good for health and indoor atmosphere.

It is crafted with Dynamic Support Layer, made of innovative precision coils specifically engineered to work in tandem with Tempur response material layer to dynamically react to body movement.

The smartClimate System built with a top layer of moisture-wicking fabric to draw moisture away while the inner layer gives cool relief. This mattress designed with an EasyRefresh cover that zips off and on. This cover is easy to wash or replace.

It is backed by a 10-year warranty.

TEMPUR-Flex Hybrid Prima Medium Mattress


  • TEMPUR-Response material
  • Medium firm feel
  • Dynamic Support Layer
  • Base Layer
  • Available in different sizes
  • SmartClimate System
  • EasyRefresh cover
  • 10-year warranty

  • Medium firm mattress.
  • Excellent material.
  • Very Comfortable.

  • Not too soft.

#Zinus Memory Foam Mattress

If you are a hunt for an affordable firm mattress then Zinus is the perfect choice for you. This mattress provides a firm surface without coils or toxins. It is thick at a foot in-depth and offers significant support with its 5 layers of foam.

The first layer consist of 3-inch thick memory foam. Below it is comfort foam which is thick around 2 inches, and under the comfort, foams are 2 types of high-density airflow foam, each 3.5 inches thick. The last serves as a base support foam for the upper ones.

The knitted jacquard cover protects the 2-inches gel-infused memory foam that pillows nearby the body but keeps the spine perfectly aligned for back, side, and stomach sleepers.

This firm mattress is Certi-PUR Certified. It is shipped to your door in the slim box and pops open to extend to its normal size over day or two. The company offers a 10-year warranty.

Zinus 12 Inch Green Tea Memory Foam Mattress / CertiPUR-US Certified / Bed-in-a-Box / Pressure Relieving, Queen


  • 4 layers of form
  • BioFoam w/Plant Oil
  • Cooling Feature
  • patented technology
  • Eco-friendly mattress
  • Dynamic Support Layer
  • Knitted Jacquard cover
  • CertiPUR US Certified
  • 10-year warranty

  • Lightweight.
  • Soft.
  • Affordable price.

  • Little hot for some customers.

#Casper Sleep 8.5″ Firm Mattress

This firm mattress from Casper Sleep is ideal for side slippers. The 10-inches thick mattress is topped with 1.5 inches of proprietary foam keeping them cool and comfortable.

It is made of three layers of foam are as follow open cell foam on the top, contouring memory foam middle layer, and supportive base layer. The top layer remained firm yet cushiony, second layer of memory foam alleviates pressure points and third layer leads to the finch base layer.

This firm mattress has an exceptional ability of motion isolations, and hence you are assured of getting undisturbed sleep. Due to its medium firmness, the firm mattress is compatible with all the sleeping positions.

The company offers a 100-night trial and a 10-year warranty.

Casper Sleep Essential Mattress, King, 2018 Edition


  • 3-layer of construction
  • Breathable open-cell foams
  • CertiPUR-US-certified foam
  • Medium Firm
  • Washable cover
  • 100-night trial
  • 10-year warranty

  • Easy to set up.
  • Durable.
  • Very supportive.

  • No cons.

#Amerisleep AS1 10″ Memory Foam Firm Mattress

The AS1 memory foam mattress from Amerisleep is the firmest amongst other Amerisleep models. The manufacturer using the VPF technology that is the highest standard in constructing environmental-friendly polyurethane foams.

This firm mattress is made up of three layers to include the top layer of cooling foam and a base of supportive foam. The Celliant blend cover infused at the top layer of the mattress is responsible for body cooling as well as regulation of temperature.

The types of sleepers can be categorized into the stomach and back sleepers. It is perfect for all of them because not only does it give no pressure when lying on the back but minimal signs of pressure when arranged sideways and on the stomach.

The Amerisleep offers a 100-night trial and a 20-year warranty.

AMERISLEEP AS1 Memory Foam Mattress - Queen (Firm) | Plant Based Material | Made 100% in USA


  • VPF technology
  • 3-inch Bio-Pur memory foam cooling layer
  • 9-inch Bio-Core sag-free support layer
  • Celliant-infused cover
  • Made in the USA
  • 100-night trial
  • 20-year warranty

  • Perfect for back and stomach sleepers.
  • No motion transfer.
  • Comfortable.

  • No cons.

#Brentwood Home Cypress Cooling 13-Inch Gel Memory Foam Mattress

If you are looking for the ultimate comfort, and Brentwood Home has designed the perfect mattress for you. It uses natural anti-microbial material to keep out dust mites and decrease allergies.

It has 4 sheets of foam to give luxurious comfort. The 3.5-inch gel foam layer consists that helps to support and cool the body.  It is followed by one inch of plush foam and two inches of the ventilated layer. This entire stack is supported by 7-inch therapeutic support at the base.

This firm mattress is certified free of any toxic chemicals by CertiPUR-US. The New Zealand wool wicks away moisture and controls body temperature to keep you hotter in the winter and cooler in the summer.

The bamboo cover is the free of toxins and it can be removed to throw in the washer. The company offers 25 Year Limited Warranty.

Brentwood Home Cypress Cooling Gel Memory Foam Mattress, Non-toxic, Made in California, 13-Inch, Queen


  • 3.5-Inch Gel Memory Foam
  • New Zealand Wool
  • Removable Cover
  • Relieves pressure points
  • Motion isolation
  • CertiPUR-US certified
  • Made in the USA
  • 20-year warranty

  •  Advanced cooling technology.
  • Supportive.
  • Great quality.

  • Edges are too soft.

#TUFT & NEEDLE Firm Mattress

If you are hunt for a not-so-soft ,not-so-hard kind of mattress, then tuft and needle is the perfect choice for you. It comes with the thickness of 10 inches and a 6 firmness level.

It is built of 7 inches of support foam certified to be free of PBDEs, phthalates, heavy metals, formaldehyde, and other harmful substances. The 3-inch top layer is made up of poly foam for your comfort.

This firm mattress provides the foundational core to the bed, minimizes motion transfer and distributes the weight of the body. To keep you sleeping cool, the foam contains the mix of graphite and gel beads for temperature regulation.

This USA made firm mattress is CertiPUR-US-certified foam. The company offers 100-night sleep trial and a 10-year warranty.

TUFT & NEEDLE - Original King Adaptive Foam Mattress, CertiPUR-US, 100-Night Trial


  • Made with Tuft and Needle proprietary foam
  • 2-layer blended foam
  • Bouncy yet supportive feel
  • Pressure Relief
  • CertiPUR-US-certified foam
  • 100-night sleep trial
  • 10-year warranty

  • Comfortable.
  • Excellent quality.
  • Great price.

  • No cons.

#Layla Sleep Copper Infused Memory Foam Mattress

This memory foam mattress from Layla is a flippable mattress that provides you with double firmness options in the single mattress. The infused copper in the mattress helps keep the body cool while you sleep on it.

This feature can offer variable support compatible with any sleeping positions and cooler sleep. This firm mattress can be used from both sides. Flip one side for soft comfort and another side for firm support.

It comes with its cover infused with ThermoGel that offers good heat dispersion for a cooler night. This gel can respond to your body temperature, keeping our bodies from becoming too hot while we are sleeping.

The company offers 120 days night trial.

Layla Copper Infused Memory Foam Mattress |10 in Full | Natural Cooling Technology | Thermal Gel | Flippable Between Firm & Medium Soft Comfort | Fits All Sleeper Types | 2 Free Memory Foam Pillows


  • Copper cooling system
  • Flippable
  • Thermogel-infused cover
  • Firm/medium firmness level
  • CertiPUR-US-certified foam
  • Adjust any kind of bed
  • 120-night sleep trial

  • Easy to setup
  • Comfortable.
  • Amazing customer service.

  • Lacks edge support.

#Pure Green Natural Latex Firm Mattress

The pure green firm mattress is for those who prefer sleeping on their stomachs and sturdy surfaces, this mattress is the perfect pick. It is a 6 inches layer of Pure Green 100% natural latex foam.

This firm mattress made natural latex foam, organic cotton, and organic New Zealand wool and many other amazing components. The presence of natural latex foam makes the base of the bed not only supportive but sturdy and durable.

The top layer of this mattress is 2 inches comfort layer of pure natural latex foam which makes the area supportive and softer. It comes with 1-inch wool covering around its surface, which makes it more supportive and adds to its height.

It offers medium firmness and adjustable with several sleep preferences.

Pure Green Organic Latex Mattress - Firm - Queen


  • 100% Natural Latex Foam
  • Top layer is 2 inches
  • Base layer is 6 inches
  • 1-inch wool covering
  • Quilted Cover
  • GREENGUARD Gold Certified by UL
  • Medium firmness

  • Easy to setup
  • Soft.
  • Excellent quality.

  • No cons.

#Cocoon by Sealy Chill Firm King Mattress

This firm mattress from Cocoon by Sealy gives you higher quality and density foam to cradle during sleep. The essential foam is engineered with robust, heavy materials that offer body support for full relaxation.

Whether you want soft, firm, or soothing cool this firm mattress has bespoke memory foram mattress. The bespoke comfort foam layer offers sturdy on the bed feel.

The high quality denser memory foam acclimatizes body size, weight, shape and sleep position to guarantee the great sleep with no back pain. The stretch knit cover is bonded with the unique material that soaks and dispels heat for revitalizing.

The company offers 100-night free trial and 10-year warranty.

Cocoon by Sealy Cocoon Mattress, King, White


  • Essenstial support foam
  • Phase Change Material
  • Heavier and more robust materials
  • Cooling technology
  • Stretch-Knit Cover
  • 100-night free trial
  • 10-year warranty

  • Easy to setup
  • Comfortble.
  • Great quality.

  • No cons.

Buying Guide: Best Firm Mattress

Here, we have important factors to consider when buying the best firm mattress.

Thickness: The thickness of the mattress can impact your experience in a few ways. Mattresses can be anywhere from 6 to 20+ inches thick. For heavier individuals tend to want thicker mattresses to support their bodies and reduce sagging. The thick mattresses require special sheets with extra deep pockets.

Material: When purchasing a mattress, it is crucial to consider what material it is made from. There are a variety of mattress materials, including steel, foam coils, and latex, all of which have different pros and cons. For instance, several people like how foam contours to the body, but it can get annoyingly warm during the night.

Heat retention: When buying for a mattress, think about whether you tend to get warm or cold at night. Particular materials, such as memory foam, are better at maintaining heat, while others are better for temperature control, like latex and gels.

Sleeping position: The sleeping position overlooked by many reviews and buyers, it is knowing your type of sleep. Most sleep on their side, however many users sleep on their back. Make sure that you take the perfect firm mattress for your sleeping type.

Trial period: Many companies are now providing the trial period if you don’t like the bed you ordered simply return it. It varies from a company to another. If you can’t judge if the bed is good or not, then you will be better off going for brands that provide at least a year of the testing period like the Casper, Amerisleep and many others.


Firm mattresses are a perfect solution for many people for their significant support and proper spinal alignment. The firm mattress can be a great fit for stomach sleepers, larger sleepers back sleepers, and those who just want some extra support. Firm mattresses tend to offer more support for the heavier and average-sized people. Though firmness is a mattress of preference, medium-firm mattresses are more recommended particularly the ones that are made of natural materials. Customers are not as happy with very firm mattresses as they are happy with medium-firm mattresses.  We hope you found the Best Firm Mattress for your needs.


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