123 reviews

Sihoo A3 DORO-C100 Ergonomic Office Chair

$459.00 $899.00
Save $440.00

HIGH DEMAND

Extended dispatch: Please allow an additional 5–7 business days before your order is shipped.

Free shipping with delivery in 1-5 days
Color
3-Year Warranty
30-Day Returns
Free Shipping
Features

Dynamic Lumbar Support
The advanced lumbar support system automatically adjusts to your spine, providing continuous back comfort without any manual tweaking.

Adaptive Design
Engineered to fit users from 152 cm to 191 cm, ensuring everyone enjoys optimal support.

Spacious Cushion
A larger seat cushion enhances comfort and offers plenty of room, with an adjustable seat depth for a perfect personalised fit.

4-Direction Adjustable
Armrests

Armrests move in six directions up/down, forward/back, rotated inwards/outwards—giving you versatile arm positioning throughout long workdays.

Easy Controls
Effortlessly adjust seat height and recline angle using a single, conveniently placed handle.

Flexible Backrest
The streamlined backrest flexes with your movements, offering continuous support as you shift position.

Precision Headrest Adjustment
Fine-tune headrest height, depth or rotation to achieve the ideal neck support and comfort.

Sleek, Modern Design
With its contemporary aesthetic, the Sihoo DORO C100 complements any workspace—office, home or study.

Breathable Mesh
Fully breathable mesh is elastic, soft and skin-friendly—durable, easy to clean and perfect for all-day comfort.

Benefits
  • Supports up to 136 kg
  • Dynamic lumbar support for all-day back comfort
  • Designed to suit users from 152 cm to 190 cm tall
  • Spacious seat cushion with adjustable depth
  • 4D adjustable armrests for versatile support
  • Certified by BIFMA and SGS for quality and durability
  • Endorsed by The Gadgeteer, MMORPG, and loved by thousands of workers for ergonomic excellence
Promises

30-Day Trial

Experience the chair in your own workspace for 30 days—returns accepted within this period.

3-Year Warranty

Enjoy lasting comfort and peace of mind with our full 3-year warranty.

Fast Shipping

Receive your chair in just 5–7 business days anywhere in Australia.

Satisfaction Guarantee

For any issues, contact support@sihoo.com.au for prompt assistance and guaranteed satisfaction.

FAQ

Frequently Asked Questions – SIHOO Doro C100

1. What makes the SIHOO Doro C100 unique in its class?

The Doro C100 stands out for its high-performance ergonomic design, providing advanced comfort at an accessible price. It’s engineered for all-day support—perfect for office workers, students, and home office setups across Australia.

2. How does the lumbar support work in the Doro C100?
The Doro C100 features a dynamic lumbar support system that automatically responds to your movements, gently supporting your lower back throughout the day. No manual adjustments are needed—just sit back and enjoy continuous comfort.

3. Is the Doro C100 suitable for taller users?
Yes! The Doro C100 is designed to comfortably accommodate users from 152 cm to 190 cm, providing excellent ergonomic alignment for a wide range of heights and body types.

4. Does the Doro C100 have an adjustable headrest?
Absolutely. The independent headrest allows for both height and angle adjustments, giving you tailored neck and head support—whether you’re working, studying, gaming, or simply relaxing.

5. What armrest features does the Doro C100 offer?
The Doro C100 is equipped with multi-directional armrests (4D) that move up and down, forwards and backwards, and inwards/outwards. This flexibility ensures your arms and shoulders stay comfortable no matter how you’re sitting.



Why choose SIHOO Doro C100?
• Dynamic lumbar support for healthier posture
• Adjustable headrest for personalised comfort
• Versatile 4D armrests
• Ideal for Australian homes and offices

Whether you’re setting up your home workspace or upgrading your office chair, the SIHOO Doro C100 delivers all-day comfort and support for every user.

Doro C100 ergonomic chair in Australia placed in a gaming room setup for comfort and performance.

Sihoo A3 DORO-C100 Ergonomic Chair Features

Close-up view of an ergonomic chair in Australia, highlighting its comfort and support features

Self-adaptive lumbar support

Close-up view of the headrest on an ergonomic chair in Australia, showcasing design and support.

Wide multi-adjustable headrest

Back view of an ergonomic chair in Australia, highlighting its structure and design.

Flexible Backrest

Close-up of the armrest on an ergonomic chair in Australia, displayed on a white background

4D coordinated armrests

Dynamic lumbar support that moves with you

The BM (Body Movement) Tracking System of Sihoo Doro C100 guarantees that the lumbar support of this ergonomic office chair adjusts itself to the contours of your spine, ensuring both comfort and support for your back in various positions, all without requiring any manual adjustments.

Close-up view of an ergonomic chair in Australia, showcasing its design and features
Top view of a woman writing while sitting on an ergonomic chair in Australia.

Streamlined backrest that flexes and comforms

Sihoo Doro C100's backrest boasts a streamlined design that naturally aligns with your back. Moreover, as you move your upper body, the backrest smoothly adjusts and conforms to your back, providing continuous support, all thanks to its flexible triangular frame.

Back view of a woman adjusting the headrest of an ergonomic chair in Australia.

Wide and precise neck support

Utilising an auto-lock mechanism, you have the flexibility to finely tune the headrest's positioning—whether raising, lowering, shifting forward, moving backward, or even rotating—in minor gradations, ensuring a secure and accurate fit around your neck.

Woman resting on an ergonomic chair in Australia within a home office space.

Recline in comfort and support

When it's time to unwind from work, Sihoo Doro C100 allows you to recline comfortably, providing a generous amount of tilt along with dynamic lumbar support for your lower back. This ensures you experience the utmost comfort and support during your relaxation breaks.

Close-up view of someone sitting on an ergonomic chair in Australia, highlighting comfort and support.

Feel weightless when seated in Doro C100

Sihoo Doro C100 ensures optimal weight distribution and pressure reduction on your thighs and hips by emulating the graceful shape of a waterfall. This waterfall-shaped seat suspension prevents any discomfort or heaviness while seated, offering a truly comfortable experience.

Close-up view of the material of an ergonomic chair in Australia, highlighting texture and quality

Made for comfort, made to last

Sihoo Doro-C100 features a top-notch mesh design that promotes airflow, preventing any discomfort from sweating or feeling sticky. Additionally, it boasts a stylish and contemporary appearance, effortless cleaning, and exceptional durability for long-lasting use.

Demonstration of lumbar support stretch on an ergonomic chair in Australia.

Adaptable mechanism, comfortable reclining

By utilizing weight-sensing and mechanical conduction advancements, Sihoo Doro-C100's mechanism adapts to your body weight and movements, enabling a seamless and balanced sitting and reclining experience that is both comfortable and effortless.

Rigorously tested for your peace of mind

American BIFMA Testing Standards

German TUV Product Safety and Quality Certification

Two ergonomic chairs in Australia on a white background with BIFMA and TÜV Rheinland logos.
Hand adjusting an ergonomic chair in Australia for personalized comfort and support.

Control Doro C100 with ease

The Doro C100's headrest boasts multi-directional precision: easily raise or lower it, slide it forward or back, and rotate it to mirror the natural curve of your neck. Its generously sized cushion ensures plenty of surface area for side-resting, so whether you’re deep in focus or taking a momentary pause, you’ll enjoy tailored support and lasting comfort.

Close-up view of the lumbar support and armrest on an ergonomic chair in Australia.

Rest your arms in 4 directions and in coordination

Doro C100 comes equipped with cushioned and supple 4-directional armrests that offer versatile adjustments – up and down, back and forth, and even pivot up to 75 degrees. Moreover, these armrests are synchronized with the seatback when reclining, providing an ideal solution for comfortably resting your arms in different positions while you work.

Ergonomic chair in Australia on a white background with visible size label

Designed to elevate your workspace

With its modern and sleek design, the Sihoo Doro C100 is not only comfortable to sit in but also pleasing to look at. It effortlessly complements various settings, seamlessly fitting into your office, study, or home.

Two ergonomic chairs in Australia displayed on a dirty white background.

Customer Reviews

Overall rating: 4.7 / 5 from 123 reviews.

Very happy with my Sihoo C100. The build quality is solid, it feels sturdy and comfortable, and the ergonomic features work well. Best of all, it's reasonably priced and offers excellent value for money. Highly recommended!

Sihoo A3 DORO-C100 Ergonomic Office Chair

My chair is very comfortable and I am extremely happy with it. The whole process from beginning to end was simply and I would recommend Sihoo.

Sihoo A3 DORO-C100 Ergonomic Office Chair

Chair is great, really comfortable. Armrests that flick left and right at a bump can be annoying; I wish there was a way to lock them in place. The overall chair was easy to assemble, high-quality, and comfortable for long sitting sessions. Customer service was questionable. Took over 2 weeks and several follow-ups to actually get them to send the chair. I got to the point I requested a refund, then only then did they finally send the chair. Not good for business at all. Would I recommend them? No, not the company, the chair most definitely.

Sihoo A3 DORO-C100 Ergonomic Office Chair

Was having frequent lower back pain and considered it could be from my crappy desk chair so decided to upgrade. It has genuinely decreased my back pain so it's a definite recommendation. I'm 160cm too and find the head rest comfortable.

Sihoo A3 DORO-C100 Ergonomic Office Chair

Bought it for the wife. Easy to assemble and very precise engineering with fine tolerances. Robust design. Wife loves it. Should have got one for myself.

Sihoo A3 DORO-C100 Ergonomic Office Chair

Fast delivery, well made product of exceptional quality, easy to assemble. Extremely comfortable and well priced office/gaming chair. Would highly recommend. Thank you!!

Sihoo A3 DORO-C300 Ergonomic Office Chair

Customer photo review of Sihoo A3 DORO-C300 Ergonomic Office Chair

The mesh on this chair is so soft and comfortable and very breathable and keeps you cool. The chair adjusts to exactly how you want it. The armrests are convenient and are able to be moved into a comfortable position for using your phone or playing a handheld console. The headrest is very comfortable and can adjust it to where you need it and is sturdy. The Lumbar support is amazing, I love how it adapts to your movement. As well, there is no annoying noises. Very happy with chair and I highly recommend it.

Sihoo A3 DORO-C300 Ergonomic Office Chair

Customer photo review of Sihoo A3 DORO-C300 Ergonomic Office Chair

Due to bulging discs and other spinal injuries, I needed a lumbar supportive chair that would not only be supportive but comfortable. This chair does both of those things, well above my expectations, and the headrest is fantastic. While I am writing away, my neck and head are being supported. Being a writer and a full-time university student, this chair is perfect. Well worth the money. I am very happy with my purchase.

Sihoo A3 DORO-C300 Ergonomic Office Chair

I purchased a SIHOO Doro C-300 a few weeks ago, for our new house, hoping it would allow me to paint my portraits in comfort, unlike my previous chairs. As it was an expensive purchase I had done considerable market research before buying. Can I say, I am not disappointed in my choice. It is fabulous! So comfortable, great lumbar support, fully adjustable, and great engineering overall. You see that when you assemble it, it's seriously solid! Very happy to recommend. A great investment.

Sihoo A3 DORO-C300 Ergonomic Office Chair

Customer photo review of Sihoo A3 DORO-C300 Ergonomic Office Chair

Before getting this chair, I never realized how much of a difference a good chair could make. As a student who's transitioned to studying from home, I've been practically living at my desk, pouring over lectures, assignments, and Zoom calls for hours on end every day.Enter this ergonomic chair, and oh, what a game-changer it's been! It's quite important to sit properly, it will essentially help your back and necks!

Sihoo A3 DORO-C300 Ergonomic Office Chair

Customer photo review of Sihoo A3 DORO-C300 Ergonomic Office Chair

It took me less than an hour to assemble by myself, and the video helped a lot.It's very comfortable to sit on, and I love that you can make different adjustments, you can lean back and adjust to a degree you like and lock it. It also gives great support on the lower back.

Sihoo A3 DORO-C300 Ergonomic Office Chair

Customer photo review of Sihoo A3 DORO-C300 Ergonomic Office Chair

The chair is great. Very comfortable. Good lumbar support. Would buy again and I recommend it to anyone who needs more back support.

Sihoo A3 DORO-C300 Ergonomic Office Chair

Customer photo review of Sihoo A3 DORO-C300 Ergonomic Office Chair

I have been using it for a month, and this chair has good quality. It gives great support for my back and neck, and is quite flexible. Will recommend it.

Sihoo A3 DORO-C300 Ergonomic Office Chair

Customer photo review of Sihoo A3 DORO-C300 Ergonomic Office Chair

Solid lumbar support and flexible adjustments. Easy to install by following the instructions (~45mins for me). Full tool box is provided. Highly recommended if you want a comfortable office chair with a decent price!

Sihoo A3 DORO-C300 Ergonomic Office Chair

Customer photo review of Sihoo A3 DORO-C300 Ergonomic Office Chair

I'm short so I need a chair to support my size. It fits to my height perfectly. I can reach the ground lolz. Only complaint is the handles keep hiting my keyboard tray so I have to turn them inward when I sit. But the chair itself was a great purchase! Great lower back support.

Sihoo A3 DORO-C300 Ergonomic Office Chair

Customer photo review of Sihoo A3 DORO-C300 Ergonomic Office Chair

So far this chair has lived up to the hype! I am a full time student so, finding a chair to cater to my needs was high on my list ( I am very picky). It is very: flexible, breathable and provides great lower lumbar support as well as thoracic and cervical. Great investment.

Sihoo A3 DORO-C300 Ergonomic Office Chair

Customer photo review of Sihoo A3 DORO-C300 Ergonomic Office Chair

I do not often write reviews but this chair and company deserve it! It was easy to put together which is super important. More importantly I am amazed by comfort and support it provides. I work from home and was using a chair that was outdated and uncomfortable. I decided to splurge since I use it 7 hours of the day. MY BACK PAIN IS GONE! It allows you to move in different positions and remain supported and comfortable. Must get especially if you work from home.

Sihoo A3 DORO-C300 Ergonomic Office Chair