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Sihoo Doro S300 Review: High-Quality Ergonomic Chair Sihoo Doro S300 Review: High-Quality Ergonomic Chair


Sihoo Doro S300 Review: High-Quality Ergonomic Chair

Explore the Sihoo Doro S300 ergonomic chair with our in-depth review, highlighting its design, comfort, and functionality.

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Regardless of whether you spend a lot of time working in front of your computer or playing games on your computer, a suitable, ergonomic chair can greatly improve comfort and ease your back strain in the long term. can do With the Doro S300, manufactory Sihoo is projecting a very special chair that is expressed to be defying gravity. Our Sihoo Doro S300 review describes what that means and how good it is.

What is it?

The Sihoo Doro S300 is an ergonomic chair that can be used for office, gaming, or even dawdling around. Sihoo has a large line of these kinds of chairs. The S300 is the most delinquent in their lineup. It has more ways to modify it to your choices than any other chair I’ve seen.

Characteristics of Doro S300:

  • Anti-Gravity Mechanism for “gravity-defying” comfort
  • Dual dynamic lumbar support customizable from 90° to 105°
  • Four-axis linkage for coordinated full body support
  • Independent backrest for simultaneous shoulder and lower back support
  • Italian velvet and DuPont TPEE mesh material for premium softness
  • Shock-absorbing suspension system for soft landings
  • Innovative 6D coordinated armrests
  • Winner of German Design Award 2023

The setup

  • Fast and easy assembly
  • Only rare steps required

The Sihoo Doro S300 is offered in a heavy-duty cardboard box holding the separate parts of the ergonomic chair, weighing roughly 26 kg. As is often the case, a new chair naturally needs assembly first.

Fortunately, the manufacturer neatly packages all the separate parts and screws, making assembly especially easy. Anyone who has ever created a chair will quickly find their way around.

The first step is to create the turnstile and insert the five casters. The gas stress spring is then attached and the top of the chair is held up. That’s all.

Creating the Sihoo Doro S300 is very easy, even for non-experts, and can be done in less than 30 minutes. Great, we love it.

Design and workmanship

  • High-quality, futuristic structure
  • Strong aluminum frame
  • Easy-grip 6D armrests

The new Sihoo Doro S300 is the flagship sample of the manufacturer’s ergonomic chairs and is available in a white or black color system. For €809.99 for the white model, our expectations are similarly high. However, the Doro S300 can meet those expectations, to say the least.

But let’s start with the technique, with which the Sihoo Doro S300 skillfully divides itself from usual gaming chairs and moves in the direction of ergonomic office chairs such as the Flexispot BackSupport BS11 Pro (our test).

With its futuristic-looking mesh material parts and sturdy aluminum structure, the Doro S300 makes a great visual appearance. The mesh material is made from Italian velvet with DuPont TPEE and is therefore not only extremely flexible and durable but also pleasantly soft.

The non-slip, gray 6D armrests provide an agreeable accent, while four springs on the underside allow vibrant adjustment to the respective seating place.

Sihoo Doro S300

The ergonomic chair highlights its smart design along with its sturdy and flawless workmanship. The Doro S300 is approved by BIFMA and SGS and is therefore particularly durable.

However, there is a slight point determination for the arms, which are a bit easier to move, mainly when moving horizontally. So simple, in fact, that unconscious activities with the elbows are enough to move the arms slightly forward or back or inward or outward. However, this is not truly a negative. Many ergonomic chairs or gaming chairs shake a lot with their arms.

The adjustment possibilities of the Doro S300

A comfortable office or gaming chair should not only provide a high level of convenience but also be able to be separately adjusted to the respective body. We have already said that is possible with the Sihoo Doro S300 in terms of help. But of course, there is better.

While we’re friendly with 4D armrests from gaming chairs, the Doro S300 actually uses 6D. This implies that the arms can be adjusted as follows:

  • Up and down (up to 6.5 cm)
  • Forward and backward (up to 4.5 cm)
  • Move in and out (up to 8 cm)
  • Turned inward and outward (up to 72 degrees)
  • Angle upwards (up to 35 degrees)
  • Angles parallel to the backrest

Apart from the point that, as said, the horizontal movements are somewhat submerged, this permits for very relaxed positioning. However, this does not only apply to the armrests: the seat can also be individually adjusted to the related body.

For this goal, the Sihoo Doro S300 has controls on the lowest right side of the seat. Levers and controls offer the following adjustment options:

  • Upper backrest size adjustment (62.5 cm to 69.5 cm)
  • Seat depth adjustment (40 cm to 47 cm)
  • Backrest tilt arc (100 degrees, 110 degrees, or 130 degrees)
  • Adjustment of tilt force (between 40 and 100 kg)

The height of the chair itself can also be adjusted; The seat can be adjusted between 47 cm and 55.5 cm. This means that the total size of the Doro S300 is 109.5 cm to 125 cm.

The seat width of 51.5cm is relaxed, but the maximum load capacity is rated at 136kg, likely due to the soft mesh fabric. Unlike the Flexispot BackSupport BS11 Pro (up to 350 kg), more serious users are therefore not accommodated here.

Ergonomics and suitability test of Sihoo Doro S300

So, what is the Sihoo Doro S300’s Anti-Gravity Mechanism, which the manufacturer advertises so prominently? And what regarding ergonomics and seating comfort?

I’m happy to accept that I’m not a big fan of superb advertising promises, but in this case, there’s surely more to it than just marketing. Especially, the Doro S300 relies on a pair of relaxed fiberglass plates that separately adjust to the user’s height and weight when they’re tilted back into a reclining place, creating a sense of weightlessness.

The sensation felt as a result of bending back is undoubtedly special and extremely soft. However, this affects a relatively low angle, as a maximum recline of 130 grades is possible – other chairs allow a significantly higher pitch.

Sihoo Doro S300

In the Sihoo Doro S300 test, I really liked the body of the back, head, and lumbar help, all of which can be individually adjusted to your own body size and condition.

The upper part of the backrest can be changed independently of the lower part in five stages, providing a relaxed position for the shoulders and neck for people between 150 cm and 190 cm tall.

Lumbar support, on the other hand, is always in a position to reduce pressure on the lower back. It consists of two wing-like supports that can be modified individually. The spine can ideally be supported in the field of 90 degrees to 105 degrees.

The whole thing is rounded off by a soft headrest that fits the curves of the neck even without a neck protector and lets you rest your head comfortably on it. OK: A soft neck pillow is a bit more relaxed, but the Doro S300 still delivers a very pleasant feel.

The pleasant mesh fabric is also persuading in terms of flexibility and thus guarantees a high level of comfort despite the thin fabric. At the exact time, the breathable material confirms that you don’t sweat during long eras of sitting and actually in summer temperatures.

Advantages of buying Doro S300

It comes with a 30-day worry-free trial, allowing you to experience its comfort and functionality risk-free. Additionally, it is backed by a 5-year warranty, ensuring long-term reliability and peace of mind. For those who are seated for extended periods, the Doro S300 represents a valuable investment. It is designed to alleviate health issues caused by prolonged sitting, promoting better posture and overall well-being.


Share your user experience with the Doro S300 (or S100) on our website or on your Instagram account for a chance to win Apple AirPods Pro (2nd generation), an Apple Watch SE, a PlayStation 5, free orders, and more!

Event duration: January 23rd to April 25th
Draw dates: April 25th

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