Best Firm Full Size Mattress (2025 Update)

When you shop through links on our site, we may earn an affiliate commission. This educational content is not intended to be a substitute for professional advice.

If you're looking for a durable and comfortable full-size mattress, you may want to consider a firm option. Firm mattresses provide great support for your back and neck, which is especially important for those who often experience pains in these areas. However, with so many options available on the market, it can be difficult to determine which one is the best for you. Before making any purchases, there are a few factors to consider.

First, think about your sleeping habits. Do you sleep on your back, stomach, or side? Depending on your preferred sleeping position, you may need a different level of firmness to get the best support. Additionally, consider the material of the mattress — memory foam, latex, or innerspring. Each material has different benefits and drawbacks, so make sure you do your research beforehand.

When shopping for a full-size firm mattress, ask yourself: how long should it last? What's the warranty like? How often does it need to be rotated or flipped? Is it hypoallergenic or organic? All of these factors can play a significant role in determining the quality, lifespan, and overall value of the mattress you end up choosing.

Want to enjoy a good night's sleep? Then finding the best firm full-size mattress is crucial. By answering these questions and carefully considering the factors, you can make sure that you're getting a high-quality, durable mattress that will provide you with the support and comfort you need to sleep soundly all night long.

10 Best Firm Full Size Mattress

# Product Image Product Name Product Notes Check Price
1
This product is ideal for individuals seeking a firm, comfortable and hypoallergenic mattress with breathable cover and gel infusion.
2
The mattress is ideal for a cool sleep, pressure relief, and motion isolation with a medium firm feel.
3
The product is an ideal, firm gel memory foam mattress made with bamboo charcoal and CertiPur certified materials.
4
The product is ideal for those seeking a firm, hypoallergenic memory foam mattress infused with bamboo charcoal and gel.
5
This product is ideal for those who want a medium firmness hybrid mattress made of CertiPUR-US certified foam in full size.
6
The product is ideal for those looking for a medium-firm memory foam mattress with cooling technology, a long trial period, and warranty.
7
The product is ideal for a cooler sleep and pressure relief due to its gel memory foam material.
8
The product is ideal for providing supportive and pressure-relieving sleep experience with certified foam in a convenient box packaging.
9
The product is ideal for individuals in need of a supportive and comfortable full-sized mattress with breathable foam and pocket springs.
10
The product is ideal for providing comfortable and medium-firm support to full-size sleepers through gel memory foam technology.
This product is ideal for individuals seeking a firm, comfortable and hypoallergenic mattress with breathable cover and gel infusion.
The mattress is ideal for a cool sleep, pressure relief, and motion isolation with a medium firm feel.
The product is an ideal, firm gel memory foam mattress made with bamboo charcoal and CertiPur certified materials.
The product is ideal for those seeking a firm, hypoallergenic memory foam mattress infused with bamboo charcoal and gel.
This product is ideal for those who want a medium firmness hybrid mattress made of CertiPUR-US certified foam in full size.
The product is ideal for those looking for a medium-firm memory foam mattress with cooling technology, a long trial period, and warranty.
The product is ideal for a cooler sleep and pressure relief due to its gel memory foam material.
The product is ideal for providing supportive and pressure-relieving sleep experience with certified foam in a convenient box packaging.
The product is ideal for individuals in need of a supportive and comfortable full-sized mattress with breathable foam and pocket springs.
The product is ideal for providing comfortable and medium-firm support to full-size sleepers through gel memory foam technology.

1. Gel-Infused Bamboo Memory Foam Mattress, Full Size

The Lucid mattress boasts a firm feel that suits side, stomach, and back sleepers, thanks to its 1 inch ventilated gel memory foam and 4 inches of bamboo charcoal infused support foam layers. The mattress provides a comfortable and supportive sleep surface that is ideal for those who prefer a firmer feel.

The memory foam layer is responsive and offers a softer support than a traditional innerspring mattress. It also features ventilation holes that promote airflow and help regulate body temperature for a more comfortable sleep environment.

The top layer of the mattress is infused with cooling gel, which captures and dissipates heat, ensuring you stay cool throughout the night. This feature makes it an excellent choice for those who tend to sleep hot.

The mattress is versatile and fits well in any room. It works perfectly with any slatted bed frame, platform bed, or adjustable base. It's also a great option for bunk beds, RVs, or children's beds.

For ease of delivery and setup, the Lucid mattress is compressed, rolled, and shipped in a box. You can easily set it up by unboxing, unrolling, and waiting for 24-48 hours for the mattress to expand. It's worth noting that the expansion time of the mattress may vary depending on the surrounding temperature.

2. Blissful Sleep: Novilla Gel Memory Foam Mattress

The Novilla full size mattress is a four-layer, all-foam system that provides a cool and highly breathable sleeping surface. The top layer is infused with gel memory foam that helps regulate your body temperature while you sleep. Additionally, the egg crate designed foam layer increases airflow throughout the mattress, promoting a comfortable and restful night's sleep. The quality cover is made of bamboo fabrics, which enhances breathability by up to 30%.

This mattress is designed to relieve pain and dampen partner movements. Four different foam layers make up the Novilla 12'' gel memory foam medium firm full-size mattress. The gel memory foam layer is combined with a comfort foam layer that distributes pressure and molds to your body, providing support and comfort. The high-density foam layers improve durability, prevent sagging and roll-off, and promote proper spinal alignment. Whether you sleep alone or next to a partner, there will be no disruptions to your sleep.

The Novilla full size mattress provides a safe and comfortable sleep environment. The CertiPUR-US Certified foam used in the mattress is free from harmful off-gassing and substances like formaldehyde, mercury, and other heavy metals. The mattress cover is made of skin-friendly rayon fabric that is soft to the touch, providing a cloud-like experience.

This mattress is shipped in a box and fits all types of bed frames, even on the floor. Follow the instructions to set up the mattress and see the magic happen. The mattress is recommended to air out and reshape for 72 hours before use. It also offers excellent motion isolation, ensuring that you won't be disturbed by your partner's movements.

Novilla offers a 100-day free trial for your mattress purchase. The full-size mattress is also covered by a 10-year protection plan. Novilla's professional customer care team is always available to address any dissatisfaction problems you may have. You can enjoy your foam mattress full size without any concerns while you follow your dreams.

3. Bamboo Charcoal Gel Memory Foam Mattress

Setting up your mattress has never been easier. With a simple unboxing, you can watch your mattress decompress before your eyes. To speed up the process, feel free to jump, walk around, or even sleep on it. Soon enough, your mattress will be fully expanded and ready for a good night's sleep.

4. Lucid Firm Memory Foam Mattress With Bamboo Charcoal

The setup process for this mattress is incredibly simple – all you need to do is remove it from the box and watch it decompress before your very eyes. While the mattress will naturally decompress on its own, you can speed up the process by jumping, walking, and even sleeping on it. Within no time, you'll be able to enjoy the full benefits of your new mattress.

5. Ashley Chime Hybrid Mattress – Full Size

Introducing the Hybrid Mattress, designed to provide a comfortable and supportive sleeping experience. With layers of padding and individually power packed innerspring coils, this mattress ensures a restful night's sleep.

The 10" profile of this mattress has been crafted with gel memory foam and 360 individual power packed wrapped coils, providing maximum lumbar support. Additionally, quilt foam has been incorporated to offer an ultra-cozy comfort that is sure to satisfy.

The Hybrid Mattress is medium in comfort, allowing for a traditional coil mattress feel that is perfect for back, side, and stomach sleepers alike.

Measuring 53.25" W x 74.5" D x 10" H, this full-sized mattress is compatible with most full bed frames. Please note that the bed foundation, box spring and frame are sold separately.

This mattress is ready for instant enjoyment, arriving in a box that is easy to unbox and set up. Simply cut the protective wrap, unroll and watch the mattress expand. While the mattress is safe to sleep on immediately, it may take 72+ hours for any residual odors from packaging to dissipate and for the mattress to completely expand based on ambient room temperature, humidity, air pressure & ventilation.

Buy with confidence knowing that the Hybrid Mattress has been designed and manufactured by Ashley Furniture Industries, a trusted source for stylish furniture, lighting, rugs, accessories, and mattresses that cater to every taste and budget.

6. 365 Dream – Gel Memory Foam Mattress

Introducing the Nectar mattress – the ultimate sleep solution for all types of sleepers. This mattress comes with a 365-night home trial which starts from the day it is delivered to your doorstep. That's right, you can sleep on it for a year and decide if it's the perfect fit for you.

Setting up the Nectar mattress is a breeze. Simply move the box to the room of your choice, unbox and unroll the mattress, and watch it expand before your eyes. In just 24 hours, your Nectar mattress will be ready for a cozy and comfortable sleep experience.

The Nectar mattress features gel memory foam which helps you sleep cool and conforms to every curve of your body. Enjoy the perfect balance of support and comfort with its five layers of comfort. The heat-wicking quilted cover with cooling technology ensures a cool and breezy sleep, while the gel memory foam cradles your body and relieves pressure. The dynamic response transition layer provides tailored support for all sleeping positions.

Whether you're a side sleeper, back sleeper, stomach sleeper, or someone who tosses and turns, the Nectar mattress offers the optimal level of firmness, coolness, breathability, and comfort. It is designed to provide perfect support for any sleeping position.

The Nectar mattress is backed by a forever warranty. That's right, the company guarantees the mattress for as long as you own it. They offer the longest warranty in the industry and take pride in standing behind their products.

7. Coolsleep Gel Full Mattress

The Molblly 12 inch Gel Memory Foam Mattress is an exceptional addition to your bedroom. It has been designed with three layers of all-foam system to provide you with ultimate comfort and better heat dissipation. The mattress layers consist of 3 inches memory foam, 3.5 inches of a comfortable layer, and 5.5 inches of high-density base support foam, which work together to offer you the support and comfort your body needs.

The memory foam mattress meets the CertiPUR-US certification for performance, emissions, and durability. The high-quality cover is designed to bring you the luxury you crave, and the all-foam bed design is a combination of expertise and the best materials with advanced sleep technology. The memory foam is conducive to continuous airflow and is breathable, and the skin-friendly fabrics adapt to the environment to keep the mattress surface at the ideal sleeping temperature. The buoyant, no-sink support foams adapt and conform to your body for optimal pressure relief, and the specialized foams reduce motion transfer of a partner so your sleep is undisturbed.

The Molblly mattress is compressed, rolled, and shipped in a box for simple setup, making it easy to fit through narrow hallways and staircases. It fits all frames, such as box spring, floor, slatted base, flat platform, or adjustable bed.

Molblly bed mattress comes with a 10-year warranty and 30-days money-back return policy. The professional customer service team is always ready to help deal with any dissatisfaction problems. If for any reason you are unsatisfied, you can contact them at any time for support. Please note that the mattress is recommended to be aired out and reshaped for 72 hours.

Upgrade your sleeping experience with the Molblly 12 inch Gel Memory Foam Mattress. It is the perfect combination of comfort, support, and durability, and it will provide you with the restful sleep you deserve.

8. Cloudlike Sleep Support: Oyt Gel Memory Foam Mattress

This medium-firm mattress is designed for a peaceful and undisturbed sleep with no pain or interference. It comprises gel memory foam, comfort foam, and high-density foam that aligns the spine and evenly distributes body weight to relieve pressure points. The mattress absorbs movement instead of transferring it across the bed, allowing you to toss and turn without disturbing another person.

The all-foam mattress design is combined with advanced sleep technology and the best materials to provide a comfortable and breathable sleeping experience. Quality ice silk fabrics adapt to the environment, keeping the mattress surface at the ideal sleeping temperature. It promotes comfortable sleep while reducing sweat during hot or humid weather, creating a dry contact with your skin, and providing a comfortable sleeping surface like floating on a cloud. This design completely solves the traditional memory foam mattress HOT shortcomings.

This mattress is certified by CertiPUR-US and Oeko-Tex Standard 100, ensuring that it is hypoallergenic and does not contain harmful substances like formaldehyde, mercury, or other heavy metals. If you experience a “fresh foam” odor, there is no need to be alarmed as it is harmless and will dissipate in a few days.

The luxurious full-size mattress is compressed and smartly shipped in a box for convenient delivery and setup. It fits all Full size frames such as box Spring, floor, slatted base, and flat platform. Please allow 24-72 hours for it to expand to its full size.

As the brand owner and maker, the best price Mattress you can get. Our bed mattresses go with 10 years. If there is any reason you are unsatisfied with your order, please contact us at any time. Over 98% of our customers are willing to keep their full-size mattress and refer it to others. This mattress is worth recommending, and there is no risk involved.

9. Plush Pocket-Spring Mattress For Full-Size Beds

The Vesgantti Luxury Multilayer Foam and Pocket Spring Mattress is a high-quality mattress that offers a medium-firm plush feel, making it comfortable and supportive. Measuring 75*53*10inch (LWH) when fully expanded, this mattress is perfect for those looking for a bed that can help relieve back and neck pain.

The mattress features an innovative zoned support system that is constructed using hundreds of individual pocketed stainless steel spring coils. Each spring works independently to provide an all-over and even support to seven parts of your body, including your feet, legs, hips, waist, shoulders, neck, and head. This unique design allows for excellent shock absorption and resilience, catering to your vertebrae and helping to adjust and correct your sleeping posture.

Designed with multiple layers of foam, the Vesgantti Luxury Multilayer Foam and Pocket Spring Mattress is breathable and comfortable. The foam layers provide good air circulation, dissipating sweat and moisture to keep your body comfortable and dry while you sleep. Additionally, the mattress is ultra-quiet, thanks to its pocket spring and multilayer foam design, effectively absorbing noise and vibration. You won't be woken up by tossing and turning, and your partner won't be disturbed either.

This mattress is vacuum-sealed and neatly rolled in a box for easy delivery. Once unboxed, it will restore in just 10 seconds and fully expand within 72 hours. Please note that once the mattress is open and restored, it cannot be rolled back again.

10. Nature's Gel Memory Foam Full Mattress

The Iyee Nature 12 inch full size mattress is a top-quality mattress that prioritizes the health and comfort of the user. The mattress is made with a three-layer all-foam system that includes 2.5" gel memory foam, 2" comfortable layer, and 7.5" high-density base support foam to deliver ultimate comfort.

The all-foam bed design is a combination of advanced sleep technology and the best materials, making it comfortable and breathable. The memory foam is conducive to continuous airflow, while the skin-friendly fabrics adapt to the environment to keep the mattress surface at the ideal sleeping temperature. The buoyant, no-sink support foams adapt and conform to your body for optimal pressure relief. Additionally, specialized foams reduce motion transfer of a partner so your sleep is undisturbed.

This mattress has been certified by CertiPUR-US and Oeko-Tex Standard 100 without harmful substances like formaldehyde, mercury, and other heavy metals, making it hypoallergenic and safe for use. The absence of fiberglass in the mattress is a testament to the manufacturer's commitment to the health and protection of its users and their families.

The Iyee Nature full size mattress is designed and produced by a manufacturer specializing in the design and production of mattresses. The company has a professional production R&D and QC team, and they offer a 10-year warranty on their mattresses. If for any reason you are not satisfied with the mattress, feel free to contact the manufacturer.

It is essential to note that the mattress needs up to 72 hours after opening to return to its full size and eliminate any smell. Overall, the Iyee Nature 12 inch full size mattress is an excellent investment for anyone looking for a comfortable, breathable, and hypoallergenic mattress.

Best Firm Full Size Mattress FAQs

Are there any warranties or guarantees offered with full size mattresses from the best firms?

Yes, most of the best firms offer warranties or guarantees with their full size mattresses. These warranties or guarantees typically cover defects in materials and workmanship for a certain period of time, ranging from 5 to 20 years depending on the company and model. Some companies may also offer a sleep trial period, allowing customers to try out the mattress for a certain number of days and return it for a full refund if they are not satisfied with its comfort.

It's important to carefully read and understand the terms of the warranty or guarantee before making a purchase. Some warranties may require specific conditions, such as using a certain type of foundation or bed frame, in order to remain valid. Additionally, warranties may only cover certain types of damage or wear and tear, so it's important to understand what is and isn't covered.

Overall, warranties and guarantees can provide peace of mind and protection for customers investing in a full size mattress from a top firm.

How can I ensure that I am getting the best value for my money when purchasing a full size mattress from a top firm?

To ensure that you are getting the best value for your money when purchasing a full size mattress from a top firm, there are a few things that you can do.

Firstly, do your research. Look into different brands and models of mattresses, and read reviews from other customers to get an idea of the quality and comfort of the product. You can also check for certifications from independent organizations that test mattresses for quality and safety.

Secondly, consider the warranty and return policy offered by the firm. A good warranty and flexible return policy can give you peace of mind when making your purchase.

Thirdly, try out the mattress before you buy it if possible. Many mattress retailers offer a trial period where you can test the mattress for a certain amount of time before deciding whether or not to keep it.

Lastly, don't be swayed by flashy marketing or sales tactics. Stick to your budget and make sure that the mattress you choose meets your specific needs and preferences. By doing your research and being a savvy shopper, you can ensure that you get the best value for your money when purchasing a full size mattress from a top firm.

How do I choose the best full size mattress from a reputable firm?

When choosing a full size mattress from a reputable firm, there are several factors to consider. First, determine your budget as mattresses can range in price from a few hundred to several thousand dollars. Next, consider your sleeping preferences such as firmness level, preferred materials, and any specific needs such as back support or pressure relief.

Research the reputation of the firm and read reviews from previous customers to ensure their products and customer service meet your expectations. Look for certifications such as CertiPUR-US or GREENGUARD to ensure the mattress meets safety and environmental standards.

Try out mattresses in person if possible to get a feel for the firmness and comfort level. Some firms may offer a trial period where you can return the mattress if it doesn't meet your needs. Finally, check the warranty and return policy before making your purchase to ensure you are fully satisfied with your investment.

How long do full size mattresses from top firms typically last?

The lifespan of a full size mattress from top firms typically varies depending on various factors like usage, care, and quality of materials used. However, on average, a good quality full size mattress from a top firm should last between 7 to 10 years. This is assuming that the mattress is properly maintained, regularly cleaned, and rotated every few months to prevent sagging and wear.

It's important to note that some top firms offer warranties on their mattresses, which can provide extra protection and assurance to the buyer. It's recommended to check the warranty information before purchasing a full size mattress to understand the terms and conditions of coverage.

Ultimately, the lifespan of a full size mattress also depends on individual preferences and needs. Some people may find that their mattress needs to be replaced sooner or later based on their sleeping habits, body weight, and overall comfort level. It's best to assess your own needs and preferences and replace your mattress when it no longer provides the necessary support and comfort.

What are the benefits of purchasing a full size mattress from a well-known firm?

Investing in a full size mattress from a well-known firm has several benefits. First, these firms are known for their quality and durability, which means that the mattress is likely to last longer than those from lesser-known firms. This can save you money in the long run as you won't have to replace the mattress as frequently.

Second, well-known firms often have a wider range of options to choose from, including different materials, firmness levels, and features such as cooling technology or motion isolation. This means that you are more likely to find a mattress that meets your specific needs and preferences.

Third, purchasing from a well-known firm often comes with better customer service and warranty options. If you have any issues with your mattress, you can typically expect a prompt and helpful response from the firm's customer service team. Additionally, many well-known firms offer extended warranties or trial periods to ensure customer satisfaction.

Overall, purchasing a full size mattress from a well-known firm can provide peace of mind, comfort, and longevity for your sleeping needs.

What are the top-rated full size mattresses from the best firms?

There are several highly-rated full size mattresses from some of the best firms in the market. One of the top-rated options is the Saatva Classic Mattress, which is known for its luxurious feel and high-quality materials. This mattress boasts a coil-on-coil construction that offers excellent support and durability, as well as a plush Euro pillow top for added comfort.

Another popular full size mattress is the Casper Wave Hybrid Mattress, which combines foam and pocketed coils for a medium-firm feel that adapts to your body's curves and pressure points. The Casper Wave Hybrid is also designed to provide excellent edge support and temperature regulation for a cooler night's sleep.

The Purple Hybrid Premier Mattress is also a highly-rated option, thanks to its unique grid technology that offers targeted pressure relief and support. This mattress is also designed to be highly breathable for a comfortable night's sleep, and comes with a 100-night trial period for added peace of mind.

Other top-rated full size mattresses include the Brooklyn Bedding Signature Hybrid Mattress, the Nectar Memory Foam Mattress, and the Tuft & Needle Original Mattress. When choosing a full size mattress, it's important to consider your personal preferences for firmness, support, and comfort, as well as any specific needs you may have such as back pain or allergies.

What customer reviews say about the full size mattresses from the best firms?

Customer reviews for full size mattresses from the best firms vary depending on the brand and model. However, some common themes emerge across different brands. Many customers praise the comfort and support of the mattresses, noting that they provide a good night's sleep and alleviate back pain. Others appreciate the durability and long lifespan of the mattresses, with some reporting that they have used the same mattress for several years without any issues.

On the other hand, some customers report issues with sagging or indentations over time, while others find the mattresses too firm or too soft for their liking. Some customers also note that the mattresses can be heavy and difficult to move, which can be challenging for those who need to move frequently.

Overall, customer reviews suggest that full size mattresses from the best firms can be a worthwhile investment for those seeking comfort, support, and quality. However, it's essential to do your research and read reviews carefully to find the right mattress for your needs and preferences.

What features should I look for when selecting a full size mattress from a trusted firm?

When selecting a full size mattress from a trusted firm, there are several features that you should consider. First, you should look for a mattress that provides the right level of support for your body type and sleeping position. This will help to ensure that you are comfortable and that your spine is properly aligned during the night.

Next, you should consider the firmness of the mattress. A firm mattress may be better for those who prefer a more supportive feel, while a softer mattress may be more comfortable for those who like to sink into their mattress a bit more.

You should also consider the materials used in the mattress. Look for a mattress that is made with high-quality materials that are durable and long-lasting.

Other features to look for include motion isolation, cooling technology, and edge support. Motion isolation is important if you share your bed with a partner, as it will help to prevent you from feeling their movements during the night. Cooling technology can help to keep you cool and comfortable, while edge support will help to prevent you from rolling off the bed.

Overall, when selecting a full size mattress, it's important to choose a trusted firm and carefully consider the features that are most important to you.

What is the average price range for full size mattresses from the best firms?

The average price range for full size mattresses from the best firms can vary depending on the brand and the materials used. Generally, you can expect to pay anywhere from $500 to $1500 for a high-quality full size mattress from a reputable mattress company. However, some luxury brands may charge even more for their premium products.

It's important to keep in mind that the price of a mattress can also be influenced by factors such as the level of support and comfort offered, the type of materials used, and the complexity of the design. Additionally, some manufacturers may offer promotions or discounts on their products, so it's worth shopping around to find the best deal.

Ultimately, investing in a high-quality full size mattress from a reputable firm can be a wise choice for ensuring a good night's sleep and long-term comfort and support.

Which full size mattress brands are known for their quality and comfort?

Several full-size mattress brands are known for their quality and comfort. The first brand that comes to mind is Tempur-Pedic, which is known for its memory foam mattresses and has been in the market for many years. Another popular brand is Sealy, which offers a wide range of mattresses with different firmness levels and materials. Serta is also known for its high-quality mattresses, particularly its hybrid models that combine memory foam and innerspring coils. Additionally, the brand Casper has gained popularity in recent years for its comfortable foam mattresses that come with a 100-night trial period. Other notable brands include Beautyrest, which offers a range of hybrid and innerspring mattresses, and Purple, which uses a unique material called hyper-elastic polymer for its mattresses. Ultimately, the best full-size mattress for you will depend on your individual preferences, sleeping habits, and budget. It's always a good idea to read reviews and try out different mattresses in person before making a purchase.

How useful was this post?

Click on a star to rate it!

Average rating 0 / 5. Vote count: 0

No votes so far! Be the first to rate this post.

Sharing is caring!