SIHOO Doro-C300 Ergonomic Office Chair Review 2023

  • Comfort
  • Build Quality
  • Adjustability
  • Design
  • Price
4.5/5Overall Score
  • Dimensions: 23.22″D x 30.31″W x 15.35″H
  • Weight Capacity: Rated for up to 300lb
  • Material: Mesh, Plastic, Aluminium
  • Warranty: 3 Years
  • High-quality build
  • Excellent adjustability features
  • Comfortable for long hours of use
  • Good value for money
  • Armrest adjustments can be too easy to change

The Sihoo Doro-C300 is an ergonomic office chair that stands out in the market for its commitment to comfort and support.

Manufactured by Sihoo, a company renowned for its high-quality office furniture, the Doro C-300 is designed to cater to a wide range of body types and seating preferences.

Sihoo understands that everyone is unique, and so are their seating preferences. That’s why the Doro-C300 is designed to cater to a wide range of body types and seating preferences, ensuring that everyone can find their perfect fit.

In this article, we will delve deeper into the features, benefits, and unique aspects of the Doro-C300, providing you with an in-depth review to help you decide if this is the right chair for your needs.

Design and Features

The Sihoo Doro-C300 is a sleek and modern chair, available in black or white. It features a mesh fabric seat, back, and headrest, which not only provide excellent support but also ensure good air circulation, keeping you cool during long working hours.

The chair is equipped with 3D coordinated armrests that can be raised, lowered, and rotated to provide the exact support you need.

The chair also boasts an ergonomic lumbar support that adjusts its position with the seat back, providing constant back comfort.

The seat back is flexible and matches your back, offering multiple locking positions for added comfort. The headrest is wide and multi-adjustable, providing high-precision neck support.

The chair also features a smart weight-sensing chassis for effortless and balanced reclining, along with an adjustable seat height. The “waterfall-shaped seat” adjusts to your weight and balance, providing additional support.

Unboxing and Setup

The unboxing and setup process of the Sihoo Doro-C300 is straightforward and user-friendly. The chair comes neatly packed with all the necessary parts and tools, including a T-handled Allen key and a standard Allen key.

The assembly process is relatively easy, even for those who may not be particularly handy. It took me approximately 30 minutes from opening the box to having the chair fully assembled, which is quite efficient. The instructions provided are clear and easy to follow, making the setup process a breeze.

Build Quality

The build quality of the Sihoo DoroC-300 is impressive. The chair is sturdy and well-constructed, with a maximum load capacity of up to 300 lbs, making it suitable for a wide range of body types.

The mesh fabric used for the seat, back, and headrest is durable and breathable, ensuring long-lasting comfort. The chair feels solid and is clearly designed to withstand the rigors of daily use.

Cristian Lungu Testing Sihoo Doro C300L office Chair

Adjustability and Ergonomics


The headrest of the Sihoo Doro C-300 is highly adjustable, allowing you to find the perfect position for your neck.

It features an eight-position rotating mechanism to adjust the angle and a ratcheting mechanism to adjust the angle of the support arm.

This level of adjustability ensures that you can customize the headrest to perfectly suit your needs, providing optimal neck support.

Armrest Adjustments

The armrests on the Sihoo Doro-C300 can be raised, lowered, and rotated to provide optimal support. However, the rotation and forward/back adjustment on the armrests are a little too easy to change, which can be a minor inconvenience.

While this allows for easy adjustments, it can also lead to unintentional changes in the armrest position during use. A locking mechanism or a slightly higher resistance to change could be beneficial here.

Backrest Tilt Recline

The backrest of the Sihoo Doro-C300 offers multiple locking positions, allowing you to find the most comfortable position for your back.

The backrest is flexible and adjusts to your position as you move in the chair. This dynamic support ensures that your back is always well-supported, regardless of your posture.

Seat Height Range

The chair offers a maximum seat height of 17.72″, which is perfect for most desk setups. The seat height can be easily adjusted using a single lever, allowing you to quickly find the most comfortable and ergonomically correct seating position.

Cristian Lungu looking at the lumbar suport Sihoo Doro C300L office Chair

Lumbar Support

One of the standout features of the Sihoo Doro C-300 is its ergonomic lumbar support. This feature is designed to provide constant back comfort, making a significant difference in comfort level when sitting in the chair for extended periods.

The lumbar support is not just static; it moves and adjusts its position with the back of the chair, providing dynamic support that adapts to your posture.

This dynamic lumbar support is a game-changer for those who suffer from back discomfort or pain during long working hours. It ensures that your lower back is adequately supported, regardless of your sitting position.

This is particularly beneficial for those who tend to move around or change positions frequently while working. The lumbar support adjusts seamlessly to your movements, providing continuous support and reducing the strain on your lower back.

Moreover, the lumbar support is designed to mimic the natural curve of the spine, providing support exactly where you need it. This helps in maintaining a healthy posture and reducing the risk of back pain and discomfort.

Sihoo Doro C300L office Chair Specifications


The Sihoo Doro C-300 is a highly comfortable chair. The mesh fabric seat, back, and headrest provide excellent support and keep you cool during long working hours.

The ergonomic lumbar support and the adjustable headrest add to the overall comfort of the chair, ensuring that you can work for hours without discomfort.


The Sihoo Doro C-300 is priced at $359.99. Considering the features and the comfort it offers, the chair provides excellent value for money.

It is a solid investment for anyone who spends a lot of time at a desk and values comfort and ergonomics.


The Sihoo Doro C-300 is a high-quality, ergonomic office chair that offers excellent comfort and adjustability features. It is perfect for anyone who spends long hours at a desk and values comfort and support.

The chair is well-constructed, easy to assemble, and provides good value for money. However, the ease of armrest adjustments can be a minor inconvenience for some users. Overall, the Sihoo Doro C-300 is a great investment for your workspace and is highly recommended.

As someone who has spent countless hours in various office chairs, I can attest to the difference a good chair makes.

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Cristian Lungu
Cristian Lungu

I'm Cristian Lungu, the founder of OfficeGearLab and a dedicated office equipment reviewer. I guide readers towards making knowledgeable choices. Additionally, I love embarking on journeys with my family and camp around the country.

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