Ecosa vs Ergoflex vs Sleeping Duck Mattress Review (2022)

Comparing the Ecosa vs Ergoflex vs Sleeping duck Mattresses



Sleeping Duck

Latest Promotions

Use code EC200, get 20% off on all items and get $200 off on mattresses and bed bases.

Use code ERGOZONE and get 30% off mattresses.

Win Sleeping Duck next-gen mattress (SD Mach II) and Get Free Firmness.

It gives up to $175 off on the pillows and sheets bundles. You have three options to choose from:

  1. Essential, Dream,
  2. Ultimate Bundles

All have a wide range of colors.

Essential Mattress Info


Ecosa (Australia)

Ergoflex (Australia)

Sleeping Duck


  • The original mattress has a 10-year warranty
  • First in Australia
  • Suggested by the Australian Back Doctor
  • Support domestic families up to eight years
  • Not one size fits all
  • Customise each mattress side

Mattress Type

Memory foam

Memory foam

Hybrid (foam & springs)


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Other Certification Info

GECA (Good Environmental Choice Australia) Certified

Trial & Warranty

Trial Period

Trial Period (nights)




Warranty Length (years)




Firmness Options

One Firmness Fits All?

Adjustable Firmness

Half-Half Firmness

Selectable Firmness

Flippable / Reversible Firmness

Firmness Info

The Ecosa mattress has a 3-layer foam:

  • Interchangeable
  • Easy to swap

After the year’s research, the Ergoflex mattress has 5-star reviews from the public in Australia, UK, Europe, Asia, and America.

Firmness is the most important element in any mattress. Choose between medium or firm initially.


  • It sinks in slightly while being supportive
  • Suitable for side sleeper
  • A 6/10 on the firmness scale


  • It still feels cloud-like while maintaining a solid level of support
  • Suitable for back sleepers
  • An 8/10 on the firmness scale

Half Medium:

  • Different firmness on each side
  • Ideal for couples who have other firmness preferences

Mattress Construction

Materials Overview

Ecosa mattress comes in interchangeable layers form:

  • Gel Memory Foam
  • Open Cell Foam
  • Ergonomic Memory Foam
  • Double Knitted fabric Zipper Cover
  • Waterproof mattress protector

The Ergoflex 5G consists of:

  • High-Density Visco Elastic Memory Foam
  • Cool-Sleep airflow system
  • Superior base layer for better performance and comfort

The Sleeping Duck is an Australian designed with a combination of many technologies:

  • Australian made AntiGravity surface
  • Australian made Precision Firmness
  • The Motherboard

Comfort Info

The ECO-Tex Foam is:

  • Latest design
  • Easy to breathe
  • Reliable

The Ecosa G-7 Gel Memory are:

  • Equally exact pressure
  • Protect the body from the sink
  • Waterproof
  • Ergoflex is more advanced in performance.
  • It is recommended for those who suffer from backbone pain.

Sleeping duck has a 100-night trial with choosing a firm, and its customization system called Component Adapt controls the comfort of the mattress.

Support Info

The high-density foam has ergonomics grooves that serve in two ways:

  • Keep the spine aligned
  • Allow breathing


The Ergolfex mattress is a high-density mattress, which is capable of molding and gives you instant relief.

  • The sleeping duck Mach II keeps feeling you satisfied with the mattress.
  • The pocket springs make you quickly move.
  • The Superior Edge help in supporting the body as well as a bed.
  • Moreover, The King Independently Edge support maintains zero disturbance.

Comfort Specs

  • The G-7 Gel memory foam having gel particles to maintain the temperature.
  • The ECO-Tex comes with a mold design with a bouncing feature.

The Ergoflex 5G mattress is:

  • 9cms open-cell
  • High-density memory foam 85kg/m3
  • Cool-sleep system to maintain the airflow
  • Good weight support and performance

The Anti Gravity Foam:

  • Comfort
  •  It doesn’t have any latex.
  •  Improves pressure and breathing.
  •  Reshape the body via equal for

Support Specs

Ergonomic grooves have two functions:

  • Circulation of air
  • It gives the best backbone support

We have been using zero-disturbance technology for ten years.

It combines:

  • the changeable
  • high-density foam layer 
  • the individually-wrapped pocketed spring multi-zone support layer.

The multi-zone system has three types of springs:

  • 3mm Springs around the very edge
  • 0mm Springs through your back and hip zones
  • 8mm Springs through your shoulder zone

Fabric Specs

The highest quality premium polyester has three features:

  • Breathable
  • Flexible
  • Machine-washable
  • Waterproof Inner

Our TENCEL ® technology is comfortable, allows airflow, and is easy to wash, guaranteeing a night of undisturbed sleep.

Breathe Tech Cover:

  • Makes for maximum breathability
  •  Soft and  antimicrobial features
  •  Easy to unzip and use.

Manufactured in



Side Sleepers

Back Sleepers

Size & Weight


Single Dimensions

188 x 92 x 25 cm

Single Weight (kg)


187 x 92 x 23 cm


188 x 92 x 31 cm


King Single

King Single Dimensions

203 x 107 x 25 cm

King Single Weight (kg)


203 x 106 x 23 cm


203 x 107 x 31 cm



Double Dimensions

188 x 138 x 25 cm

Double Weight (kg)


187 x 137 x 23 cm


188 x 138 x 31 cm



Queen Dimensions

203 x 153 x 25 cm

Queen Weight (kg)


203 x 152 x 23 cm


203 x 153 x 31 cm



King Dimensions

203 x 183 x 25 cm

King Weight (kg)


203 x 183 x 23 cm


203 x 183 x 31 cm


California King

California King Dimensions

203 x 203 x 25 cm

California King Weight (kg)


Bedtime Reading

Interesting Blog Articles


Delivery Cost




Delivery Info

We have fast and free delivery in Sydney, Melbourne, Brisbane, Perth, and Adelaide within four hours.
The Ecosa mattress comes vacuum-sealed into a box.

Delivery is free for Brisbane, Canberra, Melbourne, Sydney, and Australia-wide after-hours and weekends as well.

Next business day is free for almost all of Australia. Delivery is straight to your door.

Latest Promotions

Use code EC200, get 20% off on all items and get $200 off on mattresses and bed bases.

Use code ERGOZONE and get 30% off mattresses.

Win Sleeping Duck next-gen mattress (SD Mach II) and Get Free Firmness.