If you are a person who spends a lot of time sitting at a desk, whether it is for work or for leisure, then one of the best investments you can make is to buy an ergonomic office chair. Obviously, sitting in the same position for long periods of time can take a toll on your health, as it can cause you neck pain and back pain, muscle fatigue, and can also seriously impair your posture, all of which can cause stress and also stress. Reduce your productivity. Therefore, it is very important for people who spend a lot of time sitting and working at a desk to have a decent chair to sit on. Unlike cheap and budget chairs, ergonomic office chairs come equipped with ergonomic headrests that properly support the user’s neck and shoulders, and also with an ergonomic backrest designed to perfectly support the natural curve of the user’s spine. In other words, ergonomic office chairs provide great support for the body, which not only helps you stay in a healthy and upright posture, but also ultimately helps reduce stress on your spine, neck, and hips. On that note, consider the SIHOO M57 Ergonomic Office Chair.
SIHOO M57 is an excellent ergonomic office chair equipped with a mesh seat and mesh back that makes it very comfortable and highly breathable, it features an innovative ergonomic design that supports your entire body and helps release spinal pressure, because it integrates two-way lumbar support that provides adjustable height depth and adjustable tightness, adjustable headrest Adjustable It can be rotated 45 degrees and its height adjusted, 3-way arms are also removable, plus a class 3 gas spring provides adjustable height, along with 350 aluminum alloy feet with silent non-slip swivel casters.

Whether you work in an office or work from home, this stylish ergonomic office chair can keep you in a comfortable and healthy sitting position at all times, no matter how long you plan to sit at your desk.
Now, let’s take a more detailed look at the SIHOO M57 and see all that this premium ergonomic office chair has to offer you.
Design and specifications
Starting with the size of the chair, the SIHOO M57 measures 25.98 inches wide by 25.19 inches deep and 43.3 inches tall (66 x 64 x 110 cm) while the chair is at its lowest height setting, or exactly 50.19 inches high (127.5 cm) when the chair is at its highest height setting.
The seat of the chair measures 20.07 inches long by 18.11 inches (51 x 46 cm) wide, and between 17.91 and 21.85 inches (45.5 – 55.5 cm) high from the floor.




In terms of overall design, this luxury ergonomic office chair has a sleek and minimalist design that gives it a truly sophisticated look and also allows it to blend seamlessly into your office space.
Moreover, SIHOO M57 also features high quality and highly durable construction, as the main body of the chairs is made of heavy duty PP + material, which finally ensures that this ergonomic office chair can last a long time. .
It should also be noted that the chair’s waist pad is also wrapped in a thick sponge, which gives it plenty of strength and support for the upper side of the user’s waist.
We will now move on to the ergonomic design of the chair, along with the many convenient functions that all its components offer you. As mentioned before, the SIHOO M57 features an innovative ergonomic design that focuses on perfectly and completely supporting your body, including your neck and shoulders, as well as your entire back and spine, glutes, and hips as well, making sitting and lying down much more comfortable than using a low office chair.




To be more specific, note that the ridge chair backrest is designed with an S-shaped frame that conforms to the shape of the human spine, its close fitting is designed to perfectly fit the curvature of the user’s spine, ultimately helping to release spinal pressure from your back and spine , while the seat of the chair features a flowing waterfall arc design that allows it to provide great cushioning support for the hips and thighs.
Moreover, the backrest of the chair also integrates a built-in two-way lumbar support which the depth of the height can be adjusted within a span of 1.9″, and the tightness of the back can also be set in an interval of 1.2″ (which means how close/how far) it will stay compressed in the lumbar region. user’s back for greater or lesser back support).




Not only that, but this ergonomic office chair also comes with an adjustable headrest that can be rotated backwards by 45 degrees, and can also be height adjusted from 0 degrees (i.e. having it locked to the top side of its backrest) all the way up to 3.9 (up) i.e. a 3.9″ lift from the top of the chair backrest).




On top of all the aforementioned, the SIHOO M57 also comes with adjustable 3-way (meaning 3D) arms, which can also be removed if you wish to do so.




The three-way arm of the chair can be adjusted up and down in 5 different positions (that is, in 5 different gears), it can be adjusted back and forth, and it can also be rotated left and right, all according to your personal preference.




Under the front side of the chair, there is a built-in tilting tension wheel that can be rotated to loosen or tighten the cold-rolled mechanical tension spring mechanism. In addition, there is also a built-in tilt lock located under the right side of the chair that can either be locked or unlocked at the end to control the chair’s tilt mechanism, which is more specifically composed of a thick multifunctional and explosion-proof mechanical steel tilting mechanism.
The SIHOO M57 also comes with a Class 3 gas spring system combined with a three-level air pressure rail, which is rated for a 100mm lift stroke and an average sink of 40mm, and allows the chair seat to be raised up or down within an interval of 3.94 inches (10 cm) (as we indicated before).
Last but not least, this ergonomic office chair also integrates a set of five (x5) heavy-duty 320-feet straight coated steel chair legs and 350-feet ultra-durable aluminum alloy feet, which comes with large silent and non-slip PU caster wheels that allow must The chair rolls smoothly and scratch-free on the floor.
Final thoughts
SIHOO M57 is an excellent ergonomic office chair equipped with a mesh seat and mesh back that makes it very comfortable and highly breathable, it features an innovative ergonomic design that supports your entire body and helps release spinal pressure, because it integrates two-way lumbar support that provides adjustable height depth and adjustable tightness, adjustable headrest Adjustable It can be rotated 45 degrees and height adjusted, 3-way arms are also removable, plus a class 3 gas spring provides adjustable height, along with 350 aluminum alloy feet with silent non-slip swivel casters.
When you count all the adjustment functions that the SIHOO M57 integrates, you can rest assured that this premium ergonomic office chair will allow you to sit comfortably at your desk for long periods of time.




SIHOO M57 is currently available in two different models (x2): Gray and Black.
If you’re interested in buying it, know that the gray color model goes for $166.49, while the black color model goes for $205.49. Best of all, our readers can also use coupon code (8HCHKZM3) to get 5% off their purchase. You can order it online right now from SIHOO Amazon Shopping Page.