The Ergoflex® 5G mattress is an orthopaedic memory foam mattress that moulds to the contours of your body. Regarded as Australia's #1 mattress for back pain, the Ergoflex® 5G Memory Foam Mattress reduces pressure points, alleviates pain and improves sleep.
$
5th Gen True HD ACPT™ Foam
for class-leading performance and longevity.
Temperature-regulating inner
core layer for cooler nights.
For Perfect Support
and comfort
Award winning service. You can
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year by calling 1300 791 753.
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OKEO-TEX® 100 Certified
Ideal for asthma & allergy sufferers.
The Ergoflex Mattress-In-A-Box is a high-quality, orthopedic memory foam box mattress that offers incredible support and comfort. Made with Ergoflex's 5th Generation True HD Proprietary Foam, this mattress moulds to your body for optimal pressure relief — ensuring a great night's sleep, every night. The Cool-SleepTM Airflow System keeps things cool while the removable, washable TENCEL® cover is naturally anti-allergenic, making this the perfect mattress for allergy and asthma sufferers. Since 2006, Ergoflex has been a leader in the mattress industry with thousands of 5-star reviews, helping people get a good night's sleep Australia-wide.
Wondering what a mattress-in-a-box is? Unlike regular mattresses, a box mattress is compressed, vacuum-sealed and packed in a box for convenient delivery. Setting it up is super easy: just unbox it, put it on your bed frame, and watch it expand to full size in a few hours. This convenience and flexibility makes Ergoflex the best memory foam mattress for those looking for convenience and top-notch quality.
Regular Mattresses
Not made for back pain. | |
Traps heat due to poor temperature regulation and airflow. | |
Not anti-allergen or hypoallergenic. | |
Noisy to get on and off the bed at night. |
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Limited warranty or guarantee. |
Ergoflex®
Made with True HD memory foam for exceptional orthopedic support. | |
Features the Cool-SleepTM Airflow System to prevent hot, uncomfortable nights. | |
Comes with an anti-allergenic TENCEL® cover. | |
Whisper-quiet Visco-elastic memory foam to reduce partner disturbance. | |
Reliable 10 Year Warranty. |
The Ergoflex® 5G Mattress-In-A-Box is a 5-layer memory foam mattress crafted from premium materials designed to work together, delivering unmatched support, comfort and pressure relief.
The TENCEL® outer cover offers a luxurious, breathable surface that feels natural and soft, while the micro-fine inner cover protects the mattress core.
On top, a 9cm layer of high-density visco-elastic memory foam contours to your body, providing exceptional support and eliminating partner disturbance for uninterrupted sleep. Beneath this, the Ergoflex® 5cm Cool-Sleep™ airflow system promotes air circulation and temperature control. Finally, the 9cm high resilience impact-resistant foundation layer supports the upper layers and ensures lasting durability.
92cm x 188cm x 23cm
92cm x 203cm x 23cm
106cm x 203cm x 23cm
137cm x 188cm x 23cm
152cm x 203cm x 23cm
183cm x 203cm x 23cm
A mattress-in-a-box is a modern solution to traditional mattress buying. Unlike regular mattresses, a box mattress is compressed, vacuum-sealed, and packed into a box for easy shipping and convenient delivery. This makes it simpler to transport and set up. When you receive your Ergoflex Mattress-In-A-Box, all you need to do is unbox it, place it on your bed frame and let it expand to its full size within a few hours.
The Ergoflex® 5G box mattress features a multi-layer memory foam structure, including True HD memory foam that contours to your body. This design offers tailored support and pressure relief, making it an ideal choice for those with back pain. The mattress adapts to your body’s shape, ensuring a perfect balance of support and comfort for a great night's sleep.
Ergoflex® proudly holds the title as Australia's first mattress-in-a-box brand, launching in here in 2010. We introduced this innovative concept from the UK, where our journey began in 2006.
For over a decade, we’ve been delivering Ergoflex® mattresses across Australia, establishing ourselves as a credible and trustworthy name in the industry. Our commitment to quality and customer satisfaction has made us a reliable choice for countless Australians.
We take great pride in our achievements and the impact we’ve had on how Australians purchase mattresses, revolutionising the buying experience for good.
Yes, the Ergoflex® 5G mattress includes the Cool-Sleep™ Airflow System. This system enhances air circulation within the mattress, helping to regulate temperature and keep you cool throughout the night. Unlike traditional mattresses that can retain heat, the Ergoflex mattress ensures a cooler, more comfortable sleeping environment.
Absolutely. The Ergoflex® 5G mattress features a TENCEL® woven cover that is naturally anti-allergenic. It is resistant to dust mites, mould, and bacteria, making it a great option for allergy and asthma sufferers. The mattress materials are certified by OKEO-TEX® 100 and CertiPUR-US, ensuring they are free from harmful chemicals.
Setting up your Ergoflex Mattress-In-A-Box is straightforward. Remove the mattress from its box, carefully cut away the plastic wrapping, and place it on your bed frame. The mattress will begin to expand immediately and will reach its full size within a few hours. Once it has expanded, it’s ready to sleep on the same night!
The Ergoflex® 5G mattress is available in various sizes to fit your needs, including Single, Long Single, King Single, Double, Queen, and King-size. We also offer UK sizes like Standard King, European King, and Super King.
While cheap mattresses may save you money upfront, they often lack the support and durability needed for a good night's sleep. They won’t have a long lifespan and will require replacing frequently. On the other hand, the Ergoflex® 5G mattress offers superior quality, comfort, and longevity. It features high-density memory foam and advanced cooling technology, providing exceptional value and a significantly better sleeping experience compared to most mattresses in the cheaper category.
Yes, you can. The Ergoflex® 5G mattress comes with a 30-night home trial. This allows you to experience the comfort and support of the mattress in your own home before making a final decision. If you're not completely satisfied, you can return it for free within the trial period, making it a risk-free purchase. See our delivery page for exclusions.
The Ergoflex® 5G mattress has a removable and washable TENCEL® cover. To clean it, unzip the cover, machine wash it in cold water on a delicate cycle, and lay it flat or hang it to dry. Avoid using bleach and ensure the cover is completely dry before putting it back on the mattress. For the mattress core, spot clean by hand with mild detergent and let it dry at room temperature, avoiding direct heat or sunlight.
Yes, the Ergoflex® 5G mattress is backed by a 10-year warranty. This warranty covers any manufacturing defects or issues with the materials. Ergoflex has been in the mattress industry longer than its warranty period, so you can trust that our products are built to last.
The Ergoflex® 5G mattress is designed with high-density memory foam that provides targeted support and pressure relief, essential for alleviating back pain. Its multi-layer construction ensures optimal spinal alignment and reduces pressure points, making it the perfect mattress for those suffering from back issues. The Ergoflex® 5G’s superior build quality and ergonomic design have earned us our reputation as Australia's #1 mattress for back pain.
No. The Ergoflex® 5G mattress minimises partner disturbance with its visco-elastic memory foam, which absorbs and isolates motion. This means you won't be woken up by your partner's movements, allowing both of you to enjoy a good night's sleep without interruptions.
No, a mattress-in-a-box and a box mattress are essentially the same thing. Both terms refer to a compressed, vacuum-sealed mattress that is packed into a compact box for easy shipping and delivery. Once unboxed, the mattress expands to its full size.
Yes, all Ergoflex® mattresses are currently in stock and available for immediate purchase and delivery. If a mattress is out of stock, a red information box will appear on the product detail page, indicating the expected arrival date of the next shipment. You can still place a pre-order for out-of-stock mattresses, and they will be delivered as soon as they become available.
We provide next business day delivery to Brisbane, Canberra, Gold Coast, Melbourne, Newcastle, and Sydney for orders placed Monday to Thursday before 2:00 PM. For Adelaide, the average delivery time is about 3 days, while Cairns, Darwin, Hobart, and Perth typically take around 5 days. Delivery times for regional areas may vary, and the earliest available delivery date will be shown at checkout.
Picking a mattress is all about finding the right support and comfort. The Ergoflex® 5G mattress has a multi-layer memory foam structure that's great for back pain. Its True HD memory foam contours to your body, offering perfect support and pressure relief. This means you get a comfortable, pain-free sleep. If you're unsure what level of support you need, our team can give you expert advice to help you find the perfect mattress.
Nobody likes sleeping hot. Traditional mattresses can trap heat, but the Ergoflex® 5G mattress has the Cool-SleepTM Airflow System to keep things cool all night long. This helps you stay comfy and enjoy a great night's sleep. Plus, with our convenient delivery, you'll be enjoying your new mattress in no time.
If you have allergies or asthma, you'll want a mattress that's anti-allergenic. The Ergoflex® 5G uses materials certified by OKEO-TEX® 100 and CertiPUR-US, so it's free from harmful chemicals. Its TENCEL® cover is naturally anti-allergenic and resists dust mites, mould, and bacteria, keeping your sleep environment clean and healthy.
With various mattress sizes available, you can find the perfect fit for your body with ease. Not sure how much support you need? Our team can provide expert advice about whether the Ergoflex® 5G Mattress-In-A-Box is the perfect mattress for your body. Contact us today.
Mattress: 9cm polyurethane HD memory foam.
5cm cool-sleep airflow system for temperature regulation.
9cm high resilience impact-resistant foundation base layer.
All foam CertiPUR-US certified.
Cover: 41% TENCEL™, 59% polyester, STANDARD 100 by OEKO-TEX® certified.
Protective inner cover.
No fire retardants used.
Available in:
Single, Long Single, King Single, Double, Queen and King Size.
Single Mattress: 92cm x 188cm x 23cm, 24kgs
Long Single Mattress: 92cm x 203cm x 23cm, 24kgs
King Single Mattress: 106cm x 203cm x 23cm, 26kgs
Double Mattress: 137cm x 188cm x 23cm, 37kgs
Queen Mattress: 152cm x 203cm x 23cm, 39kgs
King Mattress: 183cm x 203cm x 23cm, 41kgs
In addition, we stock the following UK sizes:
UK Standard King (dimensions: 150cm x 200cm x 23cm), European King (dimensions: 160cm x 200cm x 23cm) and the UK Standard Super
King (dimensions: 180cm x 200cm x 23cm).
Next day delivery to Sydney, Melbourne, Brisbane, Canberra, Newcastle & the Gold Coast. 3 days to Adelaide and 5 days to Perth. Earliest delivery dates to your postcode and delivery fees are calculated at checkout.
The sizes and weights of each carton are:
Single Mattress: 96cm x 37cm x 37cm, 24kgs
Long Single Mattress: 96cm x 37cm x 37cm, 25kgs
King Single Mattress: 110cm x 37cm x 37cm, 28kgs
Double Mattress: 141cm x 37cm x 37cm, 37kgs
Queen Mattress: 156cm x 37cm x 37cm, 39kgs
King Mattress: 186cm x 37cm x 37cm, 41kg
Suitable for use with most types of bed frames, even adjustable electrics or divans. Performs best on a completely flat, stable, or slatted base. Ensure slats are no wider than 7.5cm apart. Do not use directly on the floor or on a plywood board with no ventilation. Rotate the mattress (head-to-toe) through 180° every month for the first 6 months and every three months thereafter, to aid longevity.
Protect against water damage with the Ergoflex-LIFE™ Tundra Mattress Protector.
TENCEL™ cover: Unzip and remove the TENCEL™ cover. Machine wash in cold water, delicate cycle. Lay flat or hang to dry. Do not use bleach. Always allow to dry completely before putting the cover back on your mattress. Tumble dry on low heat on.
Ergoflex® mattress core: Spot clean by hand with mild detergent.
Dry at room temperature - avoid direct heat or light.
The Ergoflex® 5G Memory Foam Mattress is covered by a 10-year warranty. We offer a 30-night trial period and free return option from most metro areas. From regional areas a return fee of between $100 and $250 may be applicable depending upon where you live. The 30-night trial starts from the day your mattress is delivered and is limited to one return per household.
Ergoflex® has been setting the standard in the mattress-in-a-box market since 2006, almost a decade before many well-known brands emerged. We have stayed true to our mission of providing premium, long-lasting box mattresses exclusively online, offering great value without compromising on quality. With over 323 million nights of restful sleep delivered to hundreds of thousands of satisfied customers, we've built a reputation based on reliability and integrity.
Unlike other brands that started online, Ergoflex™ has remained focused on offering high-quality mattresses directly to consumers. While many brands boast 10-year warranties despite being relatively new to the market, Ergoflex™ stands out as the only mattress-in-a-box company that has been around long enough to prove our products' durability.
Our commitment to quality and customer satisfaction has been proven over the years, making us a trusted name in the industry.
Many brands request customer feedback after just a few days. We think this provides an unrealistic amount of positive reviews. You'll find that many of our reviews are from people who have been sleeping on their Ergoflex® mattress for years. They are people who have purchased more than once and have recommended us to many.
1285 reviews
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Free Mattress Returns not Applicable to all Locations.
On the land and waters that we sleep, we walk, and we live, we acknowledge the Traditional Owners and Custodians of these lands. We pay respects to Elders past, present and emerging, and recognise their connection to the land.
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Ergoflex Australia, trading name of EAU Pty Ltd.
7/2 Sabre Close, Anambah Business Park, Rutherford,
NSW, 2320
ABN: 85 141 058 380