Mattress Deals

Best Online Mattress Picks in 2021

Buying the best online mattress in 2021 is hassle-free, time-saving, and economical. Shopping for the right mattress via the internet is not only possible but also it is a smart decision.

In case you buy a mattress directly online, you don’t need to spend time with the store customer service.  It is so because these days mattress companies advertise mattress specs online. Similarly, you don’t have to go to mattress stores for trying out the mattresses physically. Now, online mattress companies give you a trial period where you have plenty of days to try your desired mattress out. In case it doesn’t suit you, you have the right to return and get a refund.

Likewise, consumers’ reviews convey the buyers’ experience with the certain mattress that provides you enough insight in decision making.

Free shipping is another facility that is given by almost all mattress brands.  They not only deliver the mattress at your doorsteps but also collect it from your home when you return it.

Best Online Matress 2021

Best Online Mattresses in 2021 – Top Ten Picks

You will be thrilled to see mattress brands selling a variety of mattresses online. You must take the benefit of it.

A list of Best Online Mattresses in 2021 is as follows:

Mattress BrandsMattress Types
1. Linenspa Memory Foam and Innerspring Hybrid – 8″ TwinBest Hybrid Mattress
2. Linenspa Spring Mattress – 6″ TwinBest Innerspring Mattress
3. Zinus Green Tea Memory Foam Mattress – 12″ Queen Best Foam Mattress
4. Latex for Less Natural Latex Mattress – 9″ FullBest Latex Mattress
5. Signature Sleep Coil Mattress – 10″ TwinBest Mattress for Teens
6. Zinus Green Tea Memory Foam Mattress – 6″ TwinBest Mattress for Kids
7. Molblly Gel Memory Foam Mattress – 10″ Full Best Mattress-in-a-Box
8. Swiss Ortho Sleep – 12″ Inch QueenBest Ortho Mattress
9. Zinus Support Plus Spring Hybrid Mattress – 12″ FullBest Firm Mattress
10. Casper Sleep Element Mattress – 10″ FullBest Rated Mattress

1. Linenspa Memory Foam and Innerspring Hybrid – 8″ Twin

Best Hybrid Mattress

Trial Period30 Days
Warranty10 Years
Firmness LevelMedium Firm
Best ForAll sleeping positions between 130 lb – 230 lb

Linenspa 8 Inch Memory Foaminnerspring Hybrid mattress is among the cheapest mattresses on Amazon. It is the amalgamation of the best features of both spring and foam mattresses. The mattress provides a medium-firm feel due to its construct.


Types of LayersLayer Details
Surface-Layer1.5″ Comfort Foam
Base-Layer6″ Tempered Steel Coils
Mattress CoverMemory Foam Quilted Cover


When you lie down on an Innserspa 8″ hybrid bed, it contours to your body shape and cradles your body with ease, which gives you comfort. Alongside, its coil base provides firmness to your back, side, or stomach depending upon the sleeping style. Thus, you have a comfortable and stable sleep.

The mattress construction relieves pressure from pressure points of the body. This leads to pain relief and sound sleep.

Since it has an infusion of gel foam in its construction, so it offers cooler sleep than other foam mattresses.

It provides average motion transfer on the bed. So, you may get disturbed with the movements of your partner to an extent. However, it is bouncy and responsive, which translates into ease of movement on the bed. It’s not a perfect bed for couples, still, it depends on their preferences.

As for edge support, it performs moderately.

Side sleepers, back sleepers & stomach sleepers of up to 130-230 lb enjoy the bed and find it a balance of plushness and firmness. However, below 130 lb or above 230 lb people won’t find enough cushioning and support.

The Hybrid mattress is a mattress-in-a-box, which means it is delivered to your home in a compressed form and is packed in a bag. You may put it anywhere you like. All you have to do is remove its packing, unroll and set it in the bed frame.


  • The mattress comes with a packaging odor that takes a few days to leave.
  • This hybrid mattress is not a good fit for too thin or heavy people.
  • Those people who are used to all-foam mattresses might not appreciate it.
  • It offers quite a limited trial period as compared to other mattress brands

Who should use it?

According to its features and pros & cons, the 8″ Linenspa Hybrid mattress is great for kids’ beds, guestroom beds, and dorm beds.

2. Linenspa Spring Mattress – 6″ Twin

Best Innerspring Mattress

Trial Period30 Nights
Warranty10 Years
Firmness LevelFirm
Best ForLightweight sleepers

The 6″ Linenspa Innerspring mattress is considered the best innerspring mattress on Amazon because of its amazingly affordable price.


The traditional 6″ tempered steel coil construction is covered with a Polyester foam quilted mattress cover. Underneath it, the mattress has a Comfort Foam layer to provide cushioning. Then, there is a felt pad under the foam for even insulation purposes. In other words, the mattress is fire-resistant.

The overall making makes it a comfortable firm-bed.

However, if you want to enhance the softness of the bed top, you may add a topper to the mattress. It will give you personalized cushioning.


The mattress is CertiPUR-US certified; it is a standard product.

Moreover, it is lightweight. Therefore, this is easy to move. This spring mattress is best for kids’ and dorms’ furniture.

It can be fixed on box springs, metal grids, and slatted bed frames. However, it’s not made for an adjustable base.

The great news is, unlike the majority of mattresses available in the market, the Linenspa spring mattress doesn’t come with an off-gassing issue. So, you may start using it right after its home delivery.


  • The Linenspa 6″ innerspring mattress is not flippable.
  • It offers only a 30-night trial period.
  • This is not a good option for people above 150 lb.
  • The mattress spreads carbon flakes on unpacking; these flakes are harmless but create inconvenience.
  • It may sag earlier than the other competitor beds

Who should use it?

  • The 6″ Linenspa Innerspring Mattress is great for toddlers, kids, and teens who are still growing physically.
  • It is recommended for kids’ beds, bunk beds, trundle beds, and daybeds.
  • This 6″ thin spring mattress is a great option for patients or sick people who cannot climb a high bed.

3. Zinus Green Tea Memory Foam Mattress – 12″ Queen

Best Foam Mattress

Trial Period100 Nights
Warranty10 Years
Firmness LevelFirm
Best ForSide sleepers & lightweight sleepers

Zinus Green Tea Memory Foam Mattress is Amazon’s choice because of its huge number of ratings. It is popular for its cool sleeping. The construction of the mattress speaks for how is it considered one of the best online mattresses.


Layer TypesLayer Details
Upper Layer Memory Foam Layer infused with Green Tea & ActivCharcoal
Transition Layer Comfort Foam layer
Base Layer High-Density Polyfoam Layer
Mattress CoverPlush Poly Jacquard Fabric Cover with Gel Foam Infusion


The 12″ Zinus Green Tea Memory Foam Mattress is  Certipur US certified, which speaks for its high-profiled quality and durability.

Because of Green Tea infusion, the mattress provides a warm sleep.

The mattress becomes water-resistant due to ActivCharcoal infusion.

As for feel, it is a comfortable bed, where the mattress conforms to the body shape. You feel immense comfort without sinking into the bed. Alongside, the mattress gives significant support to your hips, back, neck and shoulders. The general mattress construction leads towards pressure relief and motion control.

This mattress is a good option for side sleepers, even for above 230 lb. The same is the case with back sleepers. However, it doesn’t suit the stomach sleepers who are above 230 lb.

It is a bed-in-a-box, and it can be fixed on a flat surface no matter it is the slatted base, spring box, adjustable bed frame, bunkie board, or platform bed frame.


  • It is not a good selection for cool sleepers.
  • Because of low edge support, less responsiveness of the mattress, and heat retention, the mattress is not a good choice for couples.
  • The mattress comes with low-edge support.
  • At the time of delivery, the customers face a serious off-gassing problem. The mattress comes out with strong chemical odors that take time to be dissipated.
  • It doesn’t suit to stomach sleepers

Who should use it?

This mattress should be used by single sleepers of 230 lbs or below.

4. Latex for Less Natural Latex Mattress – 9″ Full

Best Latex Mattress

Trial period120 Nights
Warranty20 Years
Firmness LevelMedium-Firm
Best ForAll sleeping position

9″ Full Latex for Less Natural Latex Mattress is a 100% all-Latex Mattress that is made up of the harvest of the Hevea Brasiliensis tree.

It is chemical-free and gives a cloud-like feeling in bed.

Moreover, the latex mattress is GOTS certified.


The 4-layer Latex for Less Natural Latex Mattress is constructed in this way:

Layer TypesLayer Details
Layer # 1 (Top layer)0.5″ Natural Wool Layer
Layer # 26″ of Dunlop Latex Layer with Firm Feel (7/10 on the firmness scale)
Layer # 32″ Talalay Latex with Medium-Firm Feel (5/10 on the firmness scale)
Layer # 4 (Base Layer)0.5″ Natural Wool Layer
Mattress CoverGOTS Certified Organic Cotton


It is a flippable mattress with medium-firm and firm sides that a sleeper can opt for better sleep during the night. The Dunlop Latex side is bouncy and soft in feel, whereas the Talalay Latex side is dense and firm.

The mattress provides moderate edge support where the firm Dunlop side does a better job.

The different sides of the mattress match the needs of different sleeping positions and body weights. On the medium-firm side of the mattress, the side sleepers of below 130 lb feel comfortable as well as supportive. However, the firmer side matches the needs of back and stomach sleepers of up to 130 lbs.

The all-Latex mattress is breathable and is great at trapping body heat. As a result, it provides cool sleeping; it suits people who want to avoid hot sleeping.

It provides ease of movement across the entire mattress to the sleepers who are up to 230 lbs. However, sleepers above this weight range don’t enjoy this feature.

As compared to the firm side, the medium-firm side of the Latex mattress is great for couples because of its body-contouring ability, responsiveness, and strong edge support.

The amazing feature is, it offers a longer trial period and double-years-warranty than the other mattress producers or retailers.


  • The all-Latex mattress doesn’t suit hot sleepers.
  • When unpacked, it comes out with some odor that vanishes in a couple of days.
  • It is not good for heavy people.

Who should use it?

Lightweight and medium height sleepers should opt for the mattress. They will find it a perfect fit.

5. Signature Sleep Coil Mattress – 10″ Twin

Best Mattress for Teens

Trial PeriodRetailor Dependent
Firmness LevelMedium Feel
Best ForSide sleepers

The Signature Sleep Coil Mattress of 10″ Twin size is one of the best online mattresses in 2021. It is easily affordable. This mattress brand doesn’t own any physical store. They operate online only.


The mattress is made up of Certipur US certified foam. The actual construction details are as follows:

  • Top Layer: High-density Polyfoam
  • Transition Layer: Encased coils layer
  • Base Layer: Highly dense foam

It doesn’t include PBDEs, TDCPP, or TCEP. Also, the construction avoids phthalates.

This 10″ innerspring model of Signature Sleep comes with a medium-firm feel. Thus, it provides pressure point relief because of its great comfort-support combination. Moreover, it contours the curves of the body and cradles it in alignment.

The Pressure relief further results in relieving pain in the different parts of the body. In this way, the mattress facilitates a peaceful night of sound sleep.

As for sleep, an Amazon reviewer says, “Getting out of bed in the morning may become increasingly difficult and there is a high risk of dependency on the comforting effects this mattress provides.”

The luxury-style firm mattress suits back sleepers of up to 230 lbs. However, it is not much suitable for side and stomach sleepers of the same weight.

It provides moderate edge support and average motion transfer control.

The mattress can be flipped and rotated. It helps the mattress last longer.

You receive the mattress in a compressed and vacuum-sealed form. You may handle it easily when you unpack it.


  • It may sag before the average time that can result in poor body alignment. This further leads to developing body aches.
  • The coil mattress offers only 1- year warranty that doesn’t match the standard 10-year warranty given by other brands.

Who should use it?

The side sleepers who love hot sleeping and who prefer the feel of a firm spring mattress should go for the mattress.

7. Molblly Gel Memory Foam Mattress – 10″ Full 

Best Mattress-in-a-Box

Trial Period30 Nights
Warranty10 Years
Firmness LevelMedium-Firm
Best ForAll sleeping styles

The 10″, Full-size Molblly Gel Memory Foam Mattress is one of the best price mattresses on Amazon. It is made up of CertiPUR-US certified foam material. The actual construction of the mattress is mentioned in detail here:


Layer TypesLayer Details
Top Layer2″ Thick Memory Foam layer
Middle Layer4″ thick, Dense Comfort Foam Layer
Base Layer4″ thick, High-Density Foam Layer
Mattress CoverSoft Hypoallergenic Jacquard Fabric


The 10″ Full-size Molblly Gel Memory Foam Mattress has been a supportive and plush mattress. As compared to foam mattresses, it provides a cooler sleeping experience due to its breathable foam making.

This mattress contours your body and provides you with pressure relief so that you experience painless sleep hours.

Moreover, the mattress is great at noise control and motion isolation on the bed. These features are much required because this way both the sleeping partners sleep uninterruptedly.

All lightweight sleepers regardless of their sleeping positions report a great experience with the mattress.

It is a mattress-in-a-box that comes compressed in a bag. It takes 72 hours to take its full shape.

As for bed frames, it is an equally good fit for the floor, box spring, flat platform or adjustable bed, slatted base, and hospital bed.


  • The Molblly Gel Memory Foam Mattress doesn’t offer strong edge support.
  • It is delivered with a light packaging odor that dissipates in a few days.

Who should use it?

All lightweight sleepers may find it a good fit, no matter which sleeping style they belong to.

Moreover, it is for people who like moderate bed temperature.

8. Swiss Ortho Sleep – 12″ Inch Queen

Best Ortho Mattress

Trial Period100 Nights
Warranty10 Years
Firmness LevelFirm
Best ForAll sleeping positions

The Swiss Ortho Sleep – 12″ Inch Queen is among the best-rated ortho mattresses. This is phenomenal in supreme quality construction, material, and durability.


Swiss Ortho Sleep – 12″ Inch Queen mattress has been an innerspring construct. The materials used in the making are listed here:

  • CertiPUR-US Certified Foam Layers
  • Encased Pocketed Coil layer
  • Breathable Mattress Cover in Bamboo Fabric

The mattress cover is hypoallergenic, flame retardant, and dust-mite resistant due to its material type.


When you get into the bed mattress, you feel the contour of the ortho mattress around your body. This welcoming gesture gives you a feeling of comfort. Furthermore, it has been supportive and cool in nature. Thus, the mattress ensures pain-free sleep through its perfect body alignment and pressure relief features. The ortho mattress is effective in healing back pain.

When a partner changes his or her sides on the bed, the other partner may get disturbed. And, his or her sleep gets interrupted. The Ortho Sleep mattress doesn’t let the motion transfer on the mattress so that both the sleeping partners may sleep without any kind of disturbance.

Moreover, The eco-friendly mattress reaches your home in compressed and easy packaging.


  • The mattress is temperature-sensitive.

Who should use it?

The Swiss Ortho Sleep spring mattress suit all

  • age groups
  • body types
  • sleeping positions
  • bodyweight ranges

9. Casper Sleep Element Mattress – 10″ Full

Best Rated Mattress

Trial Period30 Days
Warranty10 Years
Firmness LevelFirm
Best forLightweight back & stomach sleepers

The Casper Sleep Element Mattress – 10″ thick and Full size – is Amazon’s choice. Its highest rating speaks for its popularity and effectiveness.


The two-layer mattress is made up of CertiPUR-US Certified foam layers:

  • Top Layer:  AirScapeTM Perforated foam
  • Base Layer: Highly Dense Memory Foam
  • Mattress Cover: Eco-friendly fabric. Removable and easy-to-clean cover.


Unlike all-foam mattresses, the 10″ thick Casper Sleep Element Mattress provides comparatively cooler sleep because of its breathable cover.

This is great at conforming to body curves and giving a supportive and relaxing feel to the body.

The high-quality foam construction produces a durable product in the form of a Casper Sleep Element mattress. Don’t worry that it might sag shortly. Plus, you will feel that you got a good value against your money.

As for the price, it is a mattress-on-a-budget.

This mattress comes up with great motion control because of its top AirScapeTM Perforated foam layer. It allows the partners to enjoy undisturbed sleep.

Similarly, it is effective in controlling mattress noise due to its all-foam making. So, you won’t mind the frequent tossing and turning of your partner.

Despite being a thin mattress, it offers good edge support to small to medium size sleepers. However, plus-sized people don’t have this experience.

Moreover, it is a responsive mattress and facilitates ease of movement on the bed.

All the features make it a couple’s mattress.


  • It doesn’t suit side sleepers at all.
  • The mattress won’t satisfy the perfect hot sleepers.
  • This is not for heavy people.

Who should use it?

It is a lightweight couple’s mattress. Similarly, students and teens may find it a good fit for them.


In the age of smart shopping, how can the internet’s role be ignored? All the online stores are lined up with displaying mattress-features and the pros & cons of their usage. Alongside, you get to know about the word of mouth in the form of consumer ratings and reviews. This is the facility that was not present a few years back, but luckily now it is accessible. That’s why a variety of Best Online Mattresses in different categories have been discussed in this article.

The second factor in mind was to evaluate the diverse features of certain mattresses with the reference of personalized human needs.

Fortunately, now the internet is there to cater to your diverse requirements and expectations such as sleeping positions, body pain, hot or cool sleeping, budget restrictions, etc. In today’s world, the internet has taken up the roles of physical stores and customer services. So, why not take the best advantage of it? Why not save your energies, time, and money? It’s time to consider it wisely.