• Skip to content
  • Skip to primary sidebar
  • Skip to footer

Ergonomic Trends

Ergonomics and Office Health Blog, Product Reviews, and Consultation

  • Ergonomics ▼
    • Office Ergonomics
    • Mouse Ergonomics
    • Typing Ergonomics
    • Sitting Ergonomics
    • Standing Ergonomics
    • Laptop Ergonomics
    • Children Ergonomics
  • Research & Statistics
  • Buyer Guides ▼
    • Ergonomic Chairs
    • Gaming Chairs
    • Ergonomic Mouse
    • Ergonomic Keyboards
    • Ergonomic Desks
    • Ergonomic Accessories
    • Products Setup and Tips
  • Office Exercises
  • More ▼
    • Office Trends
    • Save your Eyes Tool
  • About Us ▼
    • Consulting
Ergonomic Trends » Buyer Guides » Here

January 31, 2021 By Michelle K Leave a Comment

Sihoo Ergonomic Office Chair Review – Budget at What Price?

Sharing is caring!

  • Share
  • Tweet
  • LinkedIn

If you’ve ever searched for a budget mesh chair on Amazon, chances are you’ve come across the Sihoo M18. With close to 3,000 mostly positive votes at the time of writing, the Sihoo chair looks like a smart buy. But what secrets does it hide that you should be aware of?

In this review I get my hands dirty to see just how the Sihoo M18 performs in real life.

Assembly

Sihoo M18 Office Chair Assembly

Assembly of the SIHOO M18 was fairly standard save for one hiccup.

One nice touch was the inclusion of white gloves. I did find that these gloves help make the assembly process easier, such as save my hands from grease that was on some of the parts.

One issue I did encounter was trying to get the armrests to be even in height. Symmetry could only be achieved by positioning the two armrests in totally different areas of the guide holes, and this caused some unwanted frustration off the bat. 

Specs & Dimensions

Sihoo M18 Office Chair Overview

Here are the key specs of the Sihoo M18 mesh chair at a glance for your convenience.

Note: These numbers may differ from those stated on the manufacturer’s site but these are my measurements directly.

Seat Width and Depth20″ W x 20″ D
Seat Cushion Thickness2.3″
Seat Height Range18″ to 21.5″ from floor to top of cushion
Backrest TiltUp to 125 degrees
Backrest ReclineCan lock into place in three stages (up to 125 degrees)
Tilt Tension ControlYes
Lumbar Support (Adjustable)2-way adjustability (up/down & in/out)
Armrests (Adjustable)Height only
Headrest (Adjustable)45 degree tilt angle and 3” height adjustability
Weight of Chair35 lbs
Our Suggested User Max. Weight230 lbs
Our Suggested User Height Range5’3″ to 5’10”

Sihoo Chair Build Quality

At around $200 (at last check), the SIHOO M18 falls within the range of what we’d consider a budget office chair. As such though, the materials I’ve found are a mixed bag. 

Sihoo M18 Office Chair Metal Base

The metal base is robust and elegant, but the casters are slightly irregular in roundness. This imperfection kind of foreshadows my overall experience with the Sihoo chair. Ironically, in my case, the casters actually helped prevent the chair from unwanted drifting on my uneven hardwood floor. Talk about silver lining right?

Sihoo M18 Office Chair

The upholstery on the Sihoo office chair can best be described as highly breathable but coarse.

On the upside, the largely mesh covering does an excellent job of keeping one cool, especially the back area. If you live in a hotter climate or tend to sweat a lot, this material is your friend.

Sihoo M18 Office Chair Front View

Having said that, there is a general feeling of roughness with the upholstery, especially in the backrest as I shuffle around. This sensation to some degree comes with the territory for any mesh based chair, though can also be attributed to the cheaper material on the Sihoo. Assuming you aren’t sitting on this chair shirtless though, the roughness of the mesh back is excusable,

Another area of the Sihoo that reminds you this is still a budget chair is the abundance of plastic parts. The chair only weighs 35 lbs after all. The adjustability controls and silver looking cosmetic pieces are all plastic for example.

Sihoo Chair Comfort

In an office chair, comfort is king, and the Sihoo M18 actually pleasantly surprised me in this department, at least with the seat.

When I first sat down, the seat on the Sihoo felt stiff and unforgiving. But soon I discovered it just needed some time to break in. And once that happened, supreme comfort followed.

Once settled in, the cushion on the Sihoo offers a great balance between softness and support. It moulids to my body like a custom pair of gloves. I also love the W-shaped indentation that helps relieve pressure under my thighs and guides my buttock on how best to sit.

During the last 2 weeks, I’ve sat on the Shioo chair for 6-8 hours on nd, and my bottom still felt supported, well-ventilated and comfortable..

Sihoo M18 Office Chair Seat

In terms of dimensions, the Sihoo seat measures 20″ W by 20″ D. This will be adequate for all but very large people. I have thicker thighs and still find the size of the Sihoo seat more than accommodating. The 20″ depth also offered good clearance between the end of my thighs and seat’s edge thanks to the waterfall edge design.

Adjustability and Ergonomics

Lets move on to the Sihoo’s various ergonomic features.

Headrest

Sihoo M18 Office Chair Neck Support

The headrest has a 45 degree tilt angle as well as 3” height adjustability, which I do find very comfortable to relieve tension from my neck. However, it shifts out of place a little too easily when I rest my head on it. 

Armrest Adjustments

Sihoo M18 Office Chair Armrests

The armrests on the Sihoo are only height adjustable. It does offer a good range however – I have no issues with clearance to put the armrests under my standard height desk or setting them high enough to be level with the desk. 

Backrest Tilt and Recline

The tilting mechanism on the Sihoo looks fairly good on paper, though unfortunately suffers from a quality issue that permeates many facets of the chair.

When it works, the backrest tilting is actually quite good. You can rock the backrest up to 125 degrees, or lock it into 3 positions in between to fix the backrest recline angle.

Sihoo M18 Office Chair Backrest Tilt

The problem is, the backrest tends to lock up I find. With the unit I bought at least, once I try to lock the backrest at the maximum 125 degrees, it would often then get stuck, requiring a lot of effort to unlock it. I find the trick is to lean fully back so the tilt gets pushed slightly past the 125 degree so you can remove the lock. This shifting of my weight was a little difficult to achieve considering my feet were not fully touching the ground when I was tilted back.

Seat Height Range

The height adjustability of the chair targets a more narrow range of people. At its lowest setting it was just right for me, at 5’4″, but wouldn’t be suitable for anyone shorter. At its highest setting, I was able to touch the floor with my tip toes and use the chair with a 5″ high footstool. These numbers suggest that the maximum user profile for this chair is someone that measures 5’9″, give or take an inch or two. 

Sihoo M18 Office Chair Side View

I recently reviewed the Sidiz T50, which has a much better range. Using the same method of testing, I could discern that the Sidiz T50 chair should be able to accommodate people from 5’ to 6’ in height. 

The Lumbar Support

And finally, we have the lumbar support on the Sihoo, which despite the cheap plastic material does a decent job of supporting the lower back. It can be adjusted both for height and depth, and resists shifting.

Sihoo M18 Office Chair Lumbar Support

My sister and I are the same height but differ in that I have longer legs and she has a longer torso. Using the up/down adjustment on the lumbar support, both of us could find that sweet spot.

Conclusion

Sihoo M18 Office Chair Review

The Sihoo M18 is a decent office chair ergonomically that’s sadly weighed down by inconsistent build quality.

The good news is, this is an overall comfortable office chair, and the issues are more of a nuisance than deal breakers. The comfortable seat and adaptive lumbar support in particular are worth praising. The finnicky tilt mechanism and rather loose headrest? Not so much.

Alternates Worth Looking Into

We recommend looking into the slightly more expensive Sihoo M57 model. It features more adjustable armrests, and based on reviews, better build quality.

Beyond the $200 range, the Duramont and Workpro 9000 are both higher quality mesh chairs.

Pros:
  • Surprisingly comfortable seat cushion over long periods
  • Good lumbar support adjustability
  • Headrest relieves neck tension
  • Breathable mesh back
  • No unwanted rolling on hard floors
  • High-backed chair for a cheaper price than other comparable chairs
Cons:
  • Not suitable for very short or tall people
  • Lackluster build quality
  • Temperamental tilt adjustment mechanism
  • Unwanted shifting of headrest
  • Lack of 3D armrest adjustability

Check Latest Price on the Sihoo M18

Final Score:

Filed Under: Buyer Guides, Ergonomic Chairs

Michelle K

Michelle is an associate editor at Ergonomic Trends with a keen eye on ergonomic products.

Disclaimer: As an Amazon Associate we earn from qualifying purchases on this page.

Related

Reader Interactions

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Primary Sidebar

Disclaimer: As an Amazon Associate we earn from qualifying purchases on this page.

  • Where Should You Position the Lumbar Support on an Office Chair? (from an Ergonomist)
  • How to Sit With Spondylolisthesis
  • How to Properly Hold a Mouse (Reduce your Risk of Injuries)
  • Examples of Ergonomics at the Office (Problems & Solutions)
  • 11 Shocking Statistics on the Great Resignation
  • 25 New Statistics on Work-Life Balance (2021)

Must Read


Best Desk Exercises for Back Pain

QUICK JUMP

Related Posts to Check Out

  • Sidiz T50 Office Chair Hands on Review
  • Sidiz T80 Office Chair Review (14 Days Hands On)

Footer

About Us

Learn all about the people behind Ergonomic Trends, why we started the site, and our promise to you, the reader.

  • Twitter
  • Facebook
  • Pinterest
  • YouTube

Recent Reviews

  • The 12 Best Gaming Chair Brands on the Market (2022 Edition)
  • Are SecretLab Chairs Worth It? Here’s my Honest Opinion
  • 5 Gaming Chairs with the Most Adjustable Armrests on the Market
  • Mesh vs Leather Gaming Chairs – Which Should I Choose?
  • How to Add a Headrest to any Office Chair

Site Info

  • About Us
  • Privacy Policy
  • Terms of Service
  • FTC and Amazon Affiliate Disclosure
  • Medical Disclaimer
  • Contact Page

Copyright © 2023 · Digital Pro on Genesis Framework · WordPress · Log in