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SIHOO M57 Ergonomic Office Chair Mesh High Back Desk Chair Computer Chair with Headrest, Armrest and Lumbar Support,300lb,Black

<ul><li><strong>Adjustable Support Features</strong>: Includes an adjustable headrest for neck tilt, an adjustable lumbar support bracket for height and depth, and 3D adjustable armrests for various office applications.</li><li><strong>Flexible Recline & Lift</strong>: Offers 90-126 arbitrary backrest adjustment for multiple work positions and a 3.15 inch lift.</li><li><strong>Breathable Seating</strong>: Features a stretchy and breathable mesh backrest and a seat cushion made with PE polyester mesh for softness and breathability.</li><li><strong>Pressure-Relieving Design</strong>: Incorporates a waterfall-edge design with high elasticity styling foam and a flow waterfall arc seating design with sponge to relieve thigh pressure.</li><li><strong>Durable & Stable Construction</strong>: Built with an aluminum base, a double back frame design, and silent casters, passing BIFMA and SGS rigorous tests, supporting 300lb.</li></ul>

<ul><li>【Perfect for Long-time Sitting】SIHOO ergonomic office chair. The office chair waterfall-edge design with high elasticity styling foam. Stretchy and breathable mesh backrest and seat cushion.Durable, Long Lifespan, Transformation Resistant, Abrasion Resistant, Great for sitting for long periods of time.</li><li>【Ergonomic Design】SIHOO M57 ergonomic office chair is recommended by Ergonomics Application Association. SIHOO's ergonomic design is based on the human body dynamic digital model. The ridge backrest and the human spine are exactly the same. The close fitting helps release the spinal pressure. The flow waterfall arc seating design Thigh support is comfortable, SIHOO will make you more comfortable.</li><li>【Features】SIHOO ergonomic office chair with adjustable headrest can make neck tilt easily and comfortably, adjustable lumbar support bracket for free adjustment of height depth, 3D adjustable armrest for different office applications, 90°-126° arbitrary backrest adjustment for multiple work positions, any switch 3.15 in lift, 360 ° Freedom to rotate freely 3D handrail.</li><li>【Material】This SIHOO M57 office chair is perfect for the home office. The home office desk chair has successfully passed the rigorous tests of BIFMA and SGS. The office desk chair aluminum base is stable and durable, bearing quality is good. Silent casters move freely without noise. Double back frame design, stable and durable.</li><li>【Easy for installation】The office chair is packaged with instructions, labeled parts, additional screws and rubber gloves and can be installed in half an hour.</li><li>【Multi-scenario M57】&nbsp;Perfect for streamers, professionals, students, gamers &amp; tech lovers. Functions seamlessly as a work, study, or gaming chair—because a supported body builds a brighter future.</li><li>【Warranty】Product warranty period is three years. If there is any quality problem, please contact us. After confirming, we will change the accessory for you. We promise to provide you with zero profit product accessories within three years of the warranty period.</li></ul>

Desk Chair Type

Brand

Colour

Seat Height

Features

Frame Material

Material

Maximum Load Weight

Seat Back Height Descriptor

Arm Style

Seat Color

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Assembled Product Dimensions (L x W x H)

The M57 ergonomic office chair is an improved version of the M18 ergonomic office chair. The biggest change of the M57 is that the seat cushion uses a PE polyester mesh, so it is not only soft but also very breathable. The design of the waterfall cushion and the sponge in front of the cushion can effectively relieve the pressure on the thigh and reduce the pain in the thigh. The improved 3D armrest can be moved up and down, front and back, and left and right, so that it can better meet the actual needs of users. In addition, the original design is still retained, the PU casters that do not damage the floor, the adjustable lumbar pillow and other ergonomically designed functions. Furthermore, product warranty period is three years. If there is any quality problem, please contact us. After confirming, we will change the accessory for you. We promise to provide you with zero profit product accessories within three years of the warranty period.

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Actual Color

Black

Grey

Light Gray

Comfort

Assembly

Support

Price

Quality

Office

Mesh

Headrest

Adjusting

Putting

Ergonomics

Ease Of Installation

Armrests

Sturdiness

Instructions

Value

Height

Construction

Wheels

Lumbar Support

Offers multiple adjustment options for customized comfort.

Assembly takes around 20-30 minutes with provided tools and instructions.

Offers good value considering quality and features.

Provides full contact and promotes airflow.

Features mesh fabric for optimal airflow and support.

Easy mounting, sitting and very comfortable lumbar support. The armrests are 3D vertical, horizontal and pivot on the horizontal axis. They are not tiltable as mentioned in the brochure, so the 3D is correct but the explanations are not clear.

Belle Comfortable Chair

This is a great chair for this price. It has the main adjustments needed except for the seat that does not move forward/back. I had already read that she was already well adjusted for a person of my size (5'9)

Good chair for the price

I have 3 office chair in my home, and this is the 4th one. The other three were purchased from La-Z-Boy. I would say this is the most comfortable one I have so far.  I am about 6" tall and 180 lbs. Compare to my La-Z-Boy chairs, the chair can provide much better lumbar support and headrest, and hold me very well. This chair lets me sit as long as I need or want to. The mesh materials make me feel much cooler than my leather chairs. The assemble is also very easy and straightforward, zero problem at all.  Comparing to other ergonomic chair over $500,  it is a really great deal of ergonomic adjustments for this price range.

Sturdy build and very comfortable

walmart.com

I don't know how many people will read this but if you're looking for a full mesh chair I would pick this one again. I have always had issues with my computer chair the main one being sever coccyx pain. This chair has but eliminated this pain for me. I can sit in this chair for hours with no issues. I have had some pain with this chair but it infrequent enough to lead me to believe my posture is bad. 99% of the time I use this chair for more than 3 hours without standing I feel no pain anymore and that alone for me makes this chair worth every penny. It comes with the tool to assemble. Assembly was a breeze, less than 15 mins from box to fully assembled. The tilt and adjustable armrest are perfect in my opinion. The casters and base are very heavy and feel of high quality. The mesh has yet sink or warp in anyway I weight close to 230lbs so I'm on the upper side of the chairs weight limit and it feels solid as a rock. If you want or need a chair or need an idea for a Christmas gift and don't have $350 to spend this is a fantastic choice and I would definitely buy it again.

So far it's perfect

I spent 2 months to give this chair a fair test. Overall a decent chair to spend your day on. I've bought lots of chairs, cheap ones and some not so cheap ones. This is the first I don't feel like I have a lot of pressure on my sitting bone, which is the biggest reason I give this a thumbs up. The build quality is good, weight is substantial, I feel safe leaning on the back, I can spend all day working without thinking about my chair, which is what I was going for.

The only thing is the plastic smell when you first open the packaging, be sure to first place it in the open space, after a while the smell does disappear.

Decent

Comfortable for different sizes. Highly adaptable for optimal ergonomic posture. Good quality/cost ratio

Ergonomic chair M57

This chair is the perfect size for people under 5'5". The ability to swivel the armrests allows for support while using a keyboard. The lumbar support provides a range of depth preferences. Easy to clean.

Excellent choice for people under 5'5"

The arms are not comfortable and too court.

Medium chair

As a whole, I think the chair is comfortable. But,  lumbar support makes me feel little pain. Headrest is not supportive while working as it pushes neck forward a little but it definitely helps for reclining and relaxing. Assembly is easy. Quality is good.

Not bad

Claims to be good for someone up to 6'3" (190 cm). Not even close. I'm only 6'0" and the armrests at their max height was far too low as was the headrest at its max height.
The back only has select angles that it can be locked into with exactly 90° being the only one that isn't very reclined.

Only for short people

SIHOO M57 ergonomic office chair in black, featuring a high back mesh design with an adjustable headrest, 3D armrests, and lumbar support. The chair includes a breathable PE polyester mesh seat cushion with a waterfall edge for thigh pressure relief. It has a sturdy aluminum base with silent PU casters and a double back frame for durability. Shown in a front and side view, highlighting its ergonomic features and modern design.