Comfort Medium Mattress Rated 5/5 based on 42 customer reviews
Comfort Medium Mattress helps with

Comfort Medium Mattress

Add to product comparison
5.0/5 - Read 42 Reviews
sleeping cat
6p per sleep based on average mattress lifespan
Single3' x 6'3
Small Double4' x 6'3
Double4'3 x 6'3
King Size5'0 x 6'6
Super King6'0 x 6'6
mattress quiz iconIs the Comfort Medium Mattress suitable for you? Find out! Take the quiz


becky says

If you’re in the market for a new mattress, look no further! This Comfort Medium Mattress has all the benefits of high-quality foam with the convenience of an easily removable and washable cover. The durable foam guarantees long-lasting durability, while the hypoallergenic design is perfect for allergy sufferers. 

This high-density foam mattress is engineered to provide maximum support and comfort. It features a sturdy, supportive base layer which will help you relieve the pressure on your body while sleeping, and its removable and washable cover is easy to clean and dry.

The Comfort Medium Mattress is deep enough to provide ample comfort, but not too deep that it requires new deep bedding. The foam layers are responsive to your body, but won’t sag or cause you discomfort. And the supportive base gives you all the tension you need to contour to your back and neck. All this, plus a 5-year guarantee!

Reasons to Buy

Great budget mattress that offers more than most at this price point.

Reasons to Avoid

Very limited size options available.

How does it feel?

Firmness of The Comfort Medium Mattress depends on bodyweight. Adjust your weight below to get an indication of how it may feel. Remember though that firmness is entirely subjective.
weight description image
Key Performance Indicators KPI question mark
Of The Comfort Medium Mattress
Our Key Performance Indicators are produced using a combination of specification-heavy algoritmic data points and user reviews.

Key Performance Indicators KPI question mark

Our Key Performance Indicators are produced using a combination of specification-heavy algoritmic data points and user reviews. For example, a firm pocket spring support layer is more breathable and offers better back support but may prove unsuitable for side sleepers, the reverse is true for a soft-medium tension reflex foam support layer. This is one of 100+ datapoints considered when generating the below ratings.


*Assuming average weight, suitability will vary dependant on body type, use the quiz above for a more tailored guide.
  • Back Sleepers
  • The amount of support offered from a mattress will vary depending on the firmness of the tension and the type of support layer used. Based on a person of average build.
  • Side Sleepers
  • If you sleep on your side you typically need a supportive tension that is not too firm, nor too soft. This is because your hips and shoulders need adequate sinkage.
  • Stomach Sleepers
  • Stomach sleepers need a reasonable amount of tension in the base support layer to adequately offer body contouring and help prevent aches and pains. Results will vary based on your build.


  • Stability
  • Depending on the type of support layer in place can have an impact on stability, edge to edge support and roll together prevention. Pocket springs of a firmer tension will have better stability than open coil soft tension, for example.


  • Initial Odour
  • Materials in mattresses, particularly memory foam and rolled bed-in-a-box mattresses can have an initial odour, this is typically short term and reduces considerably within 24 hours.
  • Long Standing Odour
  • Certain materials inside different mattresses can produce a small odour. Typically this is short term rather than long standing but there are minor exceptions.
Of The Comfort Medium Mattress
Brand: Mattress Online
Retailer: Mattress Online
Delivery Time: Excellent
Delivery Charge: Excellent
Customer Sentiment: Excellent
Guarantee: Good

Calendar Icon Radar Analysis Radar Analysis Question Mark

Radar Analysis looks at the product, brand and retailer against base norms established within the industry and determines where the product sits by way of established performance metrics.

What Makes The Comfort Medium Mattress Great?

Sturdy high-density reflex foam

Reflex foam adapts to your shape to offer tailored support

Soft-touch knitted cover

Soft touch covers are commonplace in the mattress industry. These covers are still hard wearing enough to last the lifetime of the product but soft enough to the touch to still be comfortable even with the thinnest of sheets on top

Removable and washable cover, for a fresher sleep

Removable covers help keep things fresh. The average person keeps their mattress for around 7 to 8 years and over time that can make your mattress a fairly unhygienic place to be. Thanks to the removable cover, you can sleep easy knowing that your mattress and your health, are protected.

Rated medium for balanced comfort and support

A medium tension mattress like this is the goldilocks of mattress tensions. Not too soft, nor too firm, medium is typically suitable for the vast majority of people that are looking for a good nights sleep. If you are of average build without back or neck problems, this should be a suitable product. If you are of lower BMI and a side sleeper, consider a softer mattress, whereas if you are of a higher BMI and suffer neck and back pain, consider a firmer tension.

Hypoallergenic - perfect for allergy sufferers

Allergy sufferers often experience the problem of waking up in the middle of the night or having to get up in the morning with a stuffy nose and eyes. The reason why you wake up with a stuffy nose is because your mattress has accumulated dust mites, mould and mildew, all of which are allergens. The solution is a hypoallergenic mattress is made from materials that do not support mould or dust mites. They also have anti-microbial properties that effectively kill any bacteria that may come into contact with it.

Double-sided for lasting performance

The benefits of a double sided mattress are that you get twice the surface area of comfort layers. The real-world practicality of this means that you flip the mattress as well as rotate allowing for better settlement of fillings which increases longevity, while reducing the chance of dipping or spring problems that may otherwise occur. Ultimately the mattress will likely last longer and remain comfortable for a greater duration.

Arrives rolled up for your convenience

Roll up mattresses, also known as bed-in-a-box mattresses are fairly new to the scene, first cropping up via the likes of Eve and Simba back in 2016. Since then there has been a rise in popularity due to their lower price point (due to delivery and storage costs) and their convenience for getting up stairs. Typically these mattresses have much the same support and comfort as a traditional mattress even with the positive points mentioned.

Depth: 14cm

14cm is slightly thinner than normal for a mattress but still largely sufficient for good quality components to reside. One benefit of this depth of mattress is it is ideal for bunk beds or other limited height bed frames.

Made in the UK

These are made and manufactured in the UK, meaning that they all meet the same exceptional quality and durability that we expect from genuine UK manufacturing.

5 year guarantee

A 5 year guarantee is quite rare in the industry and is a great indicator of the retailer beleiving in their product. Anything go wrong in the next 5 years, no drama, get it replaced.

Reflex foam

Reflex foam is basically like memory foam without the memory part. Reflex foam is used more as a supportive layer than a comfort layer and is often used as an alternative to conventional spring systems.

Knitted Cover

It is common in the industry to have a knitted cover, these covers can come in a variety of patterns but are typically hard wearing and do not present problems for consumers.

Removable cover

Removable covers are great. We don't typically replace mattresses for 7-8 years. That's a lot of body fluids and protectors and sheets can only do so much. To that end getting that extra layer of cleanliness goes a huge way toward ensuring you get longevity out of your product.


An average mattress is kept for 7-8 years and over that time you accumulate a lot of sweat, dirt and honestly, things can get a little gross. A washable cover keeps things hygienic and safe, ensuring your mattress lasts longer and remains fresh.


This product is unlikely to cause any sort of allergic reaction. Ideal if you suffer from any sort of allergy problems


A Medium firmness mattress is the most common build offered due to the range of suitability offered in such a mattress. This type of mattress will be better suited toward averagely weighted people, while lighter people should opt for a medium-light, and heavier people considering a medium-firm.

14cm deep

The industry standard for mattress depth is 7 inches, with most offering a comfortable 10 to 14 inches. Generally, the higher the load, the deeper it needs to be. But quality is important as a well-built 10-inch mattress can be equally as comfortable and supportive as a budget 12-inch mattress. This 5 inch mattress sits at the lower end of the scale, generally for a lighter person this matters is easier to store and Hanover. 


Double sided just means that the product can be flipped and still retain the same level of comfort. The fillings and dibres inside the product are capable of operating in any direction. Handy for settlement and to prevent dipping.


Rolled up mattresses are ideal for anyone looking at trying to get a mattress up a tight staircase or in a car to bring home from the shops. Do not missunderstand just how troublesome getting a mattress up stairs can be. Heavy and cumbersome, sometimes a rolled up mattress that expands to the side of a full mattress anyway, may be the better option

Handcrafted in the UK

Handcrafted in the UK means that the product is built here, by people being paid a fair and honest wage using certified and safe products of good quality and construction. UK manufacturing is some of th best in the world and all of that is reflected in this product

Fire Resistant

Fire resistant does not mean the product will never catch fire, rather, it will not go up in flames quite so quickly. Resistant to fire in the same way that I am resistant to kisses, sooner or later you end up giving in.

Approved by the National Bed Federation

The NBF is one of the most prestigious awarding federations in the industry, helped slightly by the fact that it is one of the only, however, it is still a great source of comfort knowing that this product holds approval by the team

Load more specifications

Customer Reviews For The Comfort Medium Mattress

Based on 42 reviews

This is the second of these mattresses that I have bought. The first was used by my son when he was using the spare bed/trundle but he had the best night's sleep so he kept it on his new bed. My eldest was upset as he wanted a memory mattress of some sort so when it was time to replace his, we got him this. They both find it incredibly comfortable but supportive at the same time. They are hot sleepers but don't seem to sweat or overheat so its a winner for us!


Bought for our 4 year old, does the job its supposed to do in fact some mornings he is still fast asleep when its time to get up so he must find it comfortable! Comes rolled up in a bag so you simply open the bag and remove mattress, leave it a few hours to regain its proper form and good to go. No smells off it like some mattresses of this sort. Good price.


I only bought this mattress as my grandma wanted a low one and I couldnt find one that wasnt equivalent to a mattress topper so this was perfect as its a proper mattress but not as high as the standard 8-9inches like most mattresses come in. Its firm and good quality and great price.


I brought the brand some years ago and have been very pleased with it, great value for money. It lasted for 5 years. It gave a very comfortable sleep. I suffer from back issues the support that this offers me is great. That is why i would highly recommend this and would buy again.


For the price this mattress is worth every cent. I prefer a firm mattress and this one is not hard but with good firmness and gives my body a good support. My lower back used to feel stiff when I woke up but it has not happened since the first night I slept on this mattress.


Perfect for use with my children's bunk beds, wanted something not too deep but supportive. The old mattresses had springs in them and were not very comfortable.My boys love them, great value for money, well made and they can no longer feel springs digging into them!


I bought this mattress for my eldest and it is so comfy when I give him snuggles, I have now bought the same mattress for my youngest child when he transferred from his cot bed - great quality and comfort all in one! Highly recommend


Such a bargain - as good as any of the dearer mattresses. Light, so easy to make the bed. So so comfortable, had been waking with sore back, but new mattress has turned that to history. I love it.


Bit of a shock for the first few nights as it is very firm, but having a small mattress topper has really made it a comfortable mattress and I have good quality sleep and wake with no aches or pains


The product was:(I) Very well packed.(ii) Delivered on time.(iii) Easy to unpack and get ready for use.(iv) Came with clear instructions for use and maintenance. (v) Value for money


Nice and firm - just the way I like it. I recommend giving at least couple old days before using. I weigh around 100kg and it is supportive of my weight.


It arrived on time and the customer service was excellent very polite and professional.From order to delivery very efficient service.


Very comfortable mattress. Bought for my 8yr old but also suitable for an adult. It expanded to full thickness quickly


it's worked wonders for my back, lovely firm mattress, but with just enough give to make it comfy


It was exactly how it was described - good value, firm, comfy, easy to set up. Trusted seller


Excellent customer and delivery service, was delivered well within 24 hours of purchase.


Great price. Great service and really helpful customer service. Thankyou.


It takes only two days to get home and the price is reasonable.


So comfortable my grandaughter struggles to get out of bed now!


My grandchildren say they are very comfortable and slept well


Good mattress, kids well happy. Sleeping well...


Nice thick comfortable medium firm mattresses.


Kids find it very comfy and came ready to use


The comfiest bed we have bought our daughter


Light to lift, yet nice and firm to sleep o.


Great value, firm, even and comfortable.


Good quality mattress perfect for kids.


Great for our son, firm and comfortable


Great value, as described, a good buy.


Good if you like a very firm mattress.


Firm mattress Just what my son wanted


So comfy and reasonably priced


Excellent product and service.


Comfortable.Soft.Well made.


Comfortable, easy delivery


Looked good when delivered


Good value firm mattress.


Comfort and perfect fit


Looks ok, not too firm


Comfort guaranteed


Very comfortable


it's new

Load more reviews
Leave review

Questions and Answers About The Comfort Medium Mattress

No Questions. Speak to our panel of experts and researchers for tailored help.

Ask question

Product Relevant Videos

Video material related to the specifications of The Comfort Medium Mattress

What is Hypoallergenic?
What is Hypoallergenic?
By Karen Kelley Perkins
Mattress Online
Mattress Online
By Mattress Online
Choosing Mattress Firmness
Choosing Mattress Firmness

Customers Also Purchased View More From Mattress Online

Latest Advice and Guides Your Questions Answered

Everything You Need To Know About Mattress Fillings
Soft and Squishy Memory Foam
Simple Mattress Buying Guide