SIHOO Ergonomic Office Chair: Detailed Review


In the world of office chairs, comfort and ergonomics are paramount. A well-designed chair can make the difference between a productive workday and one filled with discomfort and pain.

he SIHOO Ergonomic Office Chair is a prime example of a chair that prioritizes user comfort and support, especially for big and tall individuals.

In this comprehensive review, we will delve into every aspect of this chair, from its assembly process to its material quality, comfort level, ergonomic features, and weight capacity.

By the end of this article, you’ll have a clear understanding of whether the SIHOO is the right choice for you.

Let’s explore is it worth buying SIHOO Ergonomic Chair?

SIHOO Brand Overview

Before we dive into the specifics of the SIHOO M18 Ergonomic Office Chair, it’s important to understand the brand behind it.

SIHOO is a reputable manufacturer known for its commitment to designing and producing ergonomic chairs that cater to various user needs.

Their chairs are engineered to provide optimal support to different parts of the body, including the head, back, hips, and hands.

With a focus on quality, comfort, and durability, SIHOO has gained recognition in the industry for producing chairs that stand the test of time.

SIHOO M18 Ergonomic Office Chair Detailed Review

SIHOO Office Chair

Basic Specification:

Item Weight:37.5 Pounds
Weight Capacity:330 Pounds 
Available in:3 Colors
Reclining:120 Degrees
Base Material:Metal
Armrest Type:2D Adjustable
Lumber Type:Adjustable


The SIHOO Ergonomic Office Chair is designed with user-friendly assembly in mind. The package includes a user manual that provides clear and concise instructions, allowing almost anyone to put the chair together in just eight easy steps.

Even if you’re not particularly handy with DIY tasks, assembling this chair should be a breeze. The straightforward assembly process ensures that you can start enjoying the benefits of the chair without wasting too much time or effort.

Material Quality

The material quality of an office chair is a crucial factor in determining its durability and comfort. The SIHOO M18 doesn’t disappoint in this regard.

It features a breathable mesh backrest that is both flexible and comfortable.

This non-pattern mesh fabric allows for proper airflow, keeping your back cool and preventing discomfort from extended periods of sitting.

The chair is built to last, having passed the BIFMA test and the rigorous 1136kg static pressure test. This means it can withstand the demands of daily use without showing signs of wear and tear.

sihoo base material

Whether you’re using it in a home office or a corporate setting, you can trust that the SIHOO M18 is designed to endure.


One of the primary reasons for investing in an ergonomic office chair is to ensure comfort during long work hours. The SIHOO M18 excels in this department, thanks to its thoughtful design.

It provides ample support to key areas of your body, including the head, back, hips, and hands. The chair’s adjustable headrest allows you to find the perfect position for your neck and head, reducing strain and discomfort.

The lumbar support is also adjustable, ensuring that your lower back receives the necessary support to maintain a healthy posture. Whether you’re typing away at a computer or engaging in a video conference, you’ll appreciate the comfort and support this chair provides.


Ergonomics is at the core of the SIHOO M18 Ergonomic Office Chair’s design philosophy. It offers a range of adjustable features that cater to different body types and sitting preferences.

These include seat height adjustment, headrest adjustment, lumbar support adjustment, and back support adjustment. These features make it suitable for individuals ranging in height from 5’5″ to 6’0″.

The 2D armrests can be adjusted to match your preferred arm position, whether you’re typing, reading, or simply taking a break. This level of customization allows you to tailor the chair to your body’s unique needs, reducing strain and fatigue even during extended periods of sitting.

Weight Capacity

The SIHOO M18 Ergonomic Office Chair is built to accommodate individuals of varying sizes and body types. With a maximum weight recommendation of 330 pounds, it can support big and tall users with ease. This high weight capacity ensures that the chair remains stable and safe, even when supporting larger individuals.


Understanding the dimensions of an office chair is essential to ensure it fits comfortably in your workspace. The SIHOO M18 measures 27.5 inches in depth, 11 inches in width, and 21 inches in height. The seat back interior height is 68 centimeters, and the assembled seat height is 18 inches. T

hese dimensions make it suitable for a range of desk sizes and office setups. It strikes a balance between providing ample seating space and not overwhelming smaller workspaces.

Features that make it standout

1. Breathable Mesh Backrest

sihoo backrest

The breathable mesh backrest of the SIHOO M18 ensures optimal airflow, keeping your back cool and comfortable even during long hours of sitting. This feature is particularly beneficial in warm environments or for individuals prone to sweating.

2. Adjustable Headrest

The adjustable headrest allows you to find the perfect position for your neck and head, reducing strain and promoting a comfortable sitting posture.

sihoo headrest

3. 2D Armrests

The 2D armrests are highly adjustable, accommodating various arm positions and preferences. Whether you’re typing, reading, or taking a break, you can find the ideal armrest position.

4. Adjustable Lumbar Support

The SIHOO lumber is both height and depth adjustable(with a rotating round knob), which is something that provides exceptional comfort and support for users of all body types.

sihoo lumber support

The adjustable lumbar support ensures that your lower back receives the necessary support to maintain a healthy posture. This feature is crucial for preventing lower back pain and discomfort.

5. Tilt and Back Support Adjustment

The chair offers both tilt and back support adjustment, allowing you to recline up to 125 degrees and relax when needed or sit upright for focused work.

6. Modern Design

With a modern and stylish design, the SIHOO M18 can seamlessly fit into various office and home office settings. Its sleek appearance adds a touch of elegance to your workspace.

7. Hard Floor Surface Recommendation

The chair is designed for use on hard floors, ensuring smooth and effortless movement without causing damage to your flooring.

Who Should Buy This Chair?

for whose sihoo office chair is recommended

The SIHOO M18 Ergonomic Office Chair is an excellent choice for a wide range of users, but it’s particularly well-suited for the following individuals:

  1. Big and Tall Individuals: With a weight capacity of 330 pounds and adjustable features to accommodate different body types, this chair is ideal for larger individuals.
  2. Office Professionals: Whether you work in a corporate office or a home office, the SIHOO M18 provides the comfort and support needed for long work hours.
  3. Students: Students can benefit from the comfort and support of this chair during study sessions, especially when tackling lengthy assignments.
  4. Anyone in Need of Ergonomic Support: If you suffer from back pain or discomfort due to poor sitting posture, the SIHOO M18 can help alleviate these issues with its ergonomic features.

Pros and Cons of SIHOO Office Chair

What We Like About

  • Adjustable headrest, lumbar support, and armrests cater to individual preferences.
  • High weight capacity (330 pounds) for big and tall users.
  • Breathable mesh backrest keeps you cool during long hours of sitting.
  • Stylish and modern design complements various office settings.
  • Durable construction that passes rigorous tests for longevity.
  • User-friendly assembly process with clear instructions.
  • Backed by a lifetime service for added peace of mind.

What We Don’t Like About

  • Seat cushion is not so thick so for those who sit for 8+ hours may feels discomfort especially if you are having back pain issue.
  • Not comfortable for above 6.1 feet hight.


Yes, the SIHOO M18 Ergonomic Office Chair is backed by a lifetime warranty. If you encounter any quality issues, the manufacturer will promptly replace the necessary parts at no cost.

Chairs with adjustable seat height, lumbar support, and backrest tilt are beneficial for addressing anterior pelvic tilt. I have reviewed the chairs which are designed to promote proper posture and pelvic alignment.

The chair is recommended for use on hard floors. If you have carpeted floors, you may want to consider using a chair mat to ensure smooth movement.

Yes, Sihoo is a Chinese brand known for manufacturing ergonomic office chairs and other office furniture.


In conclusion, the SIHOO M18 Ergonomic Office Chair is a top-notch seating solution designed to cater to the needs of big and tall individuals. Its ergonomic design, adjustable features, and high weight capacity make it a standout choice for office professionals, students, and anyone in search of superior and comfort office chair.

The chair’s breathable mesh backrest, user-friendly assembly process, and modern design add to its appeal. While it may come at a slightly higher price point than some budget options, its durability and lifetime warranty make it a worthwhile investment in your comfort and well-being.

sihoo service and warranty

With the SIHOO M18, you’re not just getting an office chair; you’re getting a reliable partner for your daily work. Say goodbye to discomfort and hello to a more ergonomic and productive workspace with the SIHOO Ergonomic Office Chair.

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