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Ergoflex 5G Memory Foam Mattress.

Introducing the Ergoflex™ 5G memory foam mattress. A true HD, temperature sensitive, pressure-relieving mattress that moulds itself to the contours of your body. Instant comfort, more support and better sleep.

  • Free Next-Day Delivery & Returns
  • 30 Night Risk-Free Home Trial
  • True HD 85kg/m3 Proprietary Foam
  • Cool-Sleep™ Airflow System
  • Naturally Anti-Allergenic
  • Removable & Washable TENCEL® Woven Cover
  • Established in 2006 with Thousands of 5* Reviews

5484 Reviews

RRP £559
£339
Dimensions 90cm x 190cm x 23cm


Supportive, Pressure-Relieving.
Comfort from Head-to-Toe.

The Ergoflex™ 5-layer sleep system consists of premium materials that work in harmony, combining to create the most supportive, comfortable and pressure-relieving mattress we’ve ever made.

Our TENCEL® outer cover provides a luxurious, natural and breathable surface, while the micro-fine inner cover encases and protects the entire mattress core.

A top layer of 9cm of true high-density 85kg/m3 visco-elastic memory foam provides supportive body-shaping performance and zero partner disturbance ensuring unbroken slumber for both users. The Ergoflex™ 5cm Cool-Sleep™ airflow system allows for air-flow and temperature regulation at the very core of the mattress and rests upon our 9cm high resilience impact resistant foundation layer ensuring perfectly weighted support for the upper layers and longevity of performance.

High density 85kg/m3 memory foam

High-Density 85kg/m3
ACPT™ Memory Foam

Cool-Sleep Airflow System

Cool-Sleep™ Airflow System

Medium firm memory foam mattress

Firmness - Medium/Firm

Anti-Allergenic

Naturally
Anti-Allergenic

Scandinavian Orthopedic

Scandinavian Orthopedic
Design & Composition

5th Generation Memory Foam

5th Generation

Our 5 layered sleep system comprises;

TENCEL ventilated outer cover

TENCEL® naturally breathable outer cover. Machine wash at 30°

Protective inner cover

Protective inner cover

9cm 85kg/m3 hd visco-elastic 5g memory foam

9cm 85kg/m3 hd visco-elastic 5g memory foam for body-shaping, pressure-relieving support

5cm cool-sleep airflow system

5cm cool-sleep airflow system for temperature regulation

9cm high resilience foam base layer

9cm High Resilience impact-resistant foundation base layer

Pure Weightlessness.

Full support & complete comfort means deeper sleep.

The pressure-relieving Ergoflex™ 5G contours and shapes beneath you, providing a beautifully supportive environment that cradles your entire body. With a feeling of pure weightlessness you’ll effortlessly find a comfortable position, and drift off into a deep, restful sleep in no time. Since no part of your body goes unsupported you’re less likely to experience the aches and pains that come from spending a night in an uncomfortable bed, and you’ll experience a far better sleep quality as a result.

Pure Weightlessness on the Ergoflex Memory Foam Mattress

Benefits of the
Ergoflex Sleep System.

The Ergoflex™ 5G mattress is a true, High-Density orthopaedic pressure-reducing mattress, with temperature-sensitive responsive performance that contour to your exact body shape. Providing consistent support over the entire sleep-surface, the Ergoflex™ intelligently responds to support and alleviate pressure points (such as the lower back, hips, shoulders) and deliver instant and unrivalled comfort that lasts the entire night.

Designed with billions of spherical shaped open cells, the Ergoflex ™ 85kg/m3 density visco-elastic memory foam provides the optimum level of support & longevity, shifting responsively under your weight to create a body-cradling supportive sleep surface night after night, year after year.

Inclusive of its temperature-sensitive properties, the open cell foam and Cool-Sleep™ airflow system found at the very core of the mattress encourages air to freely circulate through the material, keeping you cooler than a standard memory foam mattress. This, combined with our new, all-natural TENCEL® fabric outer cover means that you can be sure of a comfortable night, every night.

  • Orthopaedic pressure-relief.
  • Negates motion-transfer. Zero partner disturbance.
  • Unique layered composition with proprietary materials, including the highest performing available density levels (85kg/m3) - No comparable-priced alternative comes close.
  • Excellent health benefits, HD visco-elastic foams are used in hospitals throughout Europe.
  • Ideal for sufferers of back pain, fibromyalgia, circulation problems or joint complaints.
  • Asthma and allergy friendly - Hypo-allergenic and anti-microbial for dust mite and allergen resistance.
  • High ILD (indentation load deflection) Rating - Comparable with highest-priced TEMPUR® alternative.
  • CertiPur-US® & OKEO-TEX® 100 certified. Manufactured to BS 5852 and BS 7177 UK Safety Standards.
30 day risk free mattress trial

Try risk-free for 30 days, with free delivery and returns.

It's never been easier to experience Ergoflex™ for yourself, with a risk-free 30 day trial and free next day delivery. We're confident that you'll love your Ergoflex™, but if you don't we'll pick it up free of charge.

Now with TENCEL®.
Advanced Performance.
Direct from Nature.

Every Ergoflex™ 5G mattress comes beautifully encased in a tailored TENCEL® cover. TENCEL® is a botanical wonder-material; entirely natural and sustainable, with moisture-wicking and breathability that outperforms natural cotton and even the most hi-tech synthetics. It’s supremely strong and durable, yet luxuriously silky and soft to the touch.

The advanced moisture-wicking and quick-drying attributes of TENCEL® create a cool, comfortable surface that encourages undisturbed, peaceful sleep night after night, in every season of the year.

TENCEL is naturally anti-bacterial thanks to its cellular fibre construction, and achieves far superior hygienic performance compared to synthetics without the use of chemicals. It’s this combination of performance and purity makes TENCEL® the perfect fit for Ergoflex™.

Great Things
Come in Small Packages.

Every Ergoflex™ 5G memory foam mattress is vacuum-packed, rolled and delivered right to your door in a beautifully compact box. This makes it easier to manoeuvre into your bedroom, and upon opening begins the almost-magical transformation into your perfect mattress. We were the first to deliver our mattresses this way, starting back in 2006, and like all excellent ideas it’s now an industry standard.

*Transit packaging differs from image shown.


Sleep Fresh with Anti-Allergenic

Sleep Fresh
Anti-Allergenic.

With a layered composition and anti-allergenic properties, the Ergoflex™ 5G mattress is inherently anti-microbial and resistant to dust mites and allergens. It’s also more resilient to the growth of bacteria, moulds, mildew and fungi - important triggers for allergenic and asthmatic responses, particularly in children. The Ergoflex 5G is certified to Certi-Pur® & OKEO-TEX® 100 standards and manufactured to BS 5852 & BS 7177 British Safety Standards.

Often Imitated. Never Bettered.

The launch of the Ergoflex™ memory foam mattress in 2006 revolutionised the industry, offering a high-end mattress that performed as exceptionally as the most expensive on the market, at an unprecedently affordable price.

With one perfect mattress – made with the highest quality materials and engineered to provide optimum support for all, rather than a confusing selection of combinations - Ergoflex™ transformed the customer experience for good. Our pioneering online-only direct-to-customer retail model transformed traditional mattress buying, by cutting out expensive retail showrooms and passing considerable savings on to Ergoflex™ customers. By shipping our mattress vacuum-packed and compressed in a compact box we made the transportation and in-home installation process easier than ever.

It’s no surprise that the innovative approach that Ergoflex™ took over a decade ago has been imitated by so many other mattress brands appearing on the scene today. However, you can be sure that Ergoflex™ was the original and remains the best. Unlike those of our new competitors, every single claim we make for our mattress is backed with the confidence and experience of over a decade of success.

Ergoflex™ mattresses come with a ten-year guarantee. We know our mattresses stand up to our promises – they’ve done it, in real life, since 2006. Our ten-year guarantee is testament to the quality of materials, the craftsmanship and the expertise that goes into every Ergoflex™ mattress.

Our Story

Real People. Genuine Unfiltered Opinions.

We think the Ergoflex 5G is the best mattress of its kind available today, and we’re passionate about telling you exactly why. But we know that the most helpful information for those considering an Ergoflex comes from customers. Real people, just like you, who bought an Ergoflex for themselves then took the time to tell the world about their experience. Take a look at what customers are saying about Ergoflex on the leading independent consumer rating websites.


Feefo Gold Award
Review Centre

467 reviews

1767 reviews

1990 reviews

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Independent reviews by Yotpo

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Independent Verified Reviews from

1765 customers rate Ergoflex:
99% for Customer Service
98% for Product Satisfaction

Ergoflex

Feedback for Ergoflex has been compiled from 1767 customer reviews

ProductScoreCustomer Comment
UK Standard King-Size
Service:
++
Product:
++

Excellent

UK Standard King-Size
Service:
+
Product:
--

Service rating : Service was fine
Product : Had to replace after a couple of years - zero lower back support after 6 months, and now my wife has been struggling with the same. Been struggling with sleep with too long - had put down to stress but realised was being exacerbated by this mattress.

UK Standard Double
Service:
++
Product:
++

I've purchased from ergoflex before and on both occasion service and product are excellent.

UK Standard King-Size
Service:
++
Product:
++

Service rating : Excellent response to my emails.
Product : Better than what I expected.

UK Standard Double
Service:
+
Product:
+

Service rating : well - they should look after repeat customers... I have purchased 4 of their mattresses but yet, no discount vouchers (e.g. Amazon) so we'll try someone else next.
Product : The mattress is good for one size fits all I think is going to hurt them in the long run, my eldest daughter is finding it too hard so will probably go somewhere else.

UK Standard King-Size
Service:
++
Product:
++

Service rating : The ordering process was simple and the follow up information regarding confirmation, dispatch and delivery was excellent.
Product : Both my husband and I have differing back issues and on the advise of our Osteopath was recommended to consider Ergoflex as a mattress for our new bed. We are both happy with our purchase of an Ergoflex mattress.

European (IKEA size) Double
Service:
++
Product:
++

Service rating : Great service , very happy
Product : Very good

UK Standard Double
Service:
++
Product:
++

Service rating : It was very easy to order, and very quick to deliver.
Product : The mattress is so comfortable and supports your body,it's great for my back problem.

UK Standard Double
Service:
++
Product:
++

Service rating : Easy to order, delivery exactly when indicated, even to a remote spot in West Wales.
Product : We are so relieved to have this firm but very comfortable mattress to sleep on after a much softer one. We can move easily without waking each other up and it is really great. This will always be our mattress of choice.

UK Standard King-Size
Service:
++
Product:
++

Service rating : Good company to buy from
Product : I am very happy with my purchase

UK Standard Double
Service:
++
Product:
++

Service rating : Everything about ergo flex has been amazing thank you
Product : I didn't believe it would stop my bad back but overnight it did!! More expensive than a regular mattress but wow let me say well worth it absolutely excellent!

UK Standard Double
Service:
++
Product:
++

Service rating : Having put the matress on the bed, I was not able to verify the guarantee without having to change the bedding so I did not bother with the guarantee. Could the reg number not be on a separate paper?
Product : Very firm OK

UK Standard King-Size
Service:
++
Product:
+

Service rating : Excellent you get your item within 24hrs and price and product are really competitive compare to other competitors
Product : The delivery is excellent and the product is really good even I would raccomand a bed with narrow slats

UK Standard Double
Service:
++
Product:
++

Service rating : Excellent service. Very professional.
Product : The best ever mattress! Delighted with it. Highly recommended.

UK Standard King-Size
Service:
++
Product:
++

Service rating : Great service, mattress arrived on my desired delivery day and delivery man kindly carried it up two flights of stairs to my bedroom for me. It's also a great relief to be able to test sleep the mattress for 30 days.
Product : Best purchase I've ever made. This mattress is extremely comfortable, I don't feel any pressure points at all and it adjusts to all little movements immediately. Have also noticed that I need less sleep now to feel really rested. Whilst it had a funny manufacturing smell in the beginning, this disappeared after a few weeks. Can only recommend +++++

UK Standard King-Size
Service:
+
Product:
+

Service rating : Delivered promptly
Product : Very comfortable, sleep has improved

UK Standard King-Size
Service:
++
Product:
++

Service rating : Arrived promptly well packed.
Product : This is the second mattress I have had the other previously a double one and I love them. Have tried others but no comparison.

UK Standard Double
Service:
++
Product:
++

Service rating : Company and service, Customer Service excellent. Cannot fault.
Product : Product first class. A wonderful night sleep every night!

European (IKEA size) Double
Service:
++
Product:
++

Very happy and find it very comfortable

UK Standard King-Size
Service:
++
Product:
++

Service rating : Amazing how quickly delivery is received, and so helpful that mattress is vacuum sealed making it easy to get upstairs, even in a tight space.
Product : Really happy with our mattress, no complaints, have recommended to others.


Read all Ergoflex™ reviews on Feefo.com

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Risk Free. Rest Easy.

With free next-day delivery, convenient boxed arrival and a 30-night no-obligation trial period and free returns if you decide it's not for you, we've made it easier than ever to try Ergoflex for yourself.

Call Us

customersupport@ergoflex.co.uk

0800 0241122