SKU: 31317479876

Sihoo M57 Ergonomic Office Chair, Computer Chair Desk Chair High Back Chair Breathable,3D Armrest and Lumbar Support Grey without Footrest

Sale price$204.27 Regular price$226.97
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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18

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Description

Sihoo M57 Ergonomic Office Chair, Computer Chair Desk Chair High Back Chair Breathable,3D Armrest and Lumbar Support Grey without FootrestHigh Quality SIHOO office chairs have been certified by BIFMA and SGS, passed 1000kg static pressure test. It can carry a weight of up to 150kg. Every part of this computer office chair has strict safety quality testing, cushion impact test, handrail fatigue test, chair foot static pressure test, ect. Simple instructions enable anyone to put chair together in eight simple steps! Long Hours Sitting The mesh back and mesh seat keep air circulation for

High Quality - SIHOO office chairs have been certified by BIFMA and SGS, passed 1000kg static pressure test. It can carry a weight of up to 150kg. Every part of this computer office chair has strict safety quality testing, cushion impact test, handrail fatigue test, chair foot static pressure test, ect. Simple instructions enable anyone to put chair together in eight simple steps!

Long Hours Sitting - The mesh back and mesh seat keep air circulation for extra comfort. High quality mesh resists abrasion and transformation, , making the high back desk chair suitable for a long-day sitting of 8 hours. Meanwhile, it allows you to sit without feeling hot or sweaty. It also features easy maintenance, please wash the mesh in warm water on a gentle cycle with a cold-water rinse.

Adjustable 3D Armrest -This office chair from SIHOO features 3D adjustable armrests - go forwards and back, up and down, and rotate 36° for the best fit to your favorite position. No matter in appearance or the function, it makes perfect sense of technology and future. Find the best angles for your posture.

Ergonomic Design  - SIHOO is recommended by Ergonomics Application Association. Ergonomic design is based on the human body dynamic digital model. The S-shaped backrest mimics the human spine which helps release the spinal pressure, with more effectively adjustable lumbar pillow to cherish. The flowed waterfall arc seating design thigh support lets you sit a more comfortably, relaxed posture.

Note: it is recommended that this chair be placed on hard floors or a floor mat; if on a carpet or rug, please do not to drag the chair while sitting on it as additional weight coupled with the friction of the carpet/rug could cause the castors to get stuck, malfunction or break

Product Details
Type: Desk Chair; Executive Chair; Home Office Chair
Seat/Back Material: Mesh
Recommended Weight Capacity (Single Chair): 150 Kilograms
Castors Included: Yes
Adjustable Seat Height: Yes
Adjustable Back: Yes
Swivel: Yes
Gas Lift: Yes
Style: Contemporary
Box Contents: 1 x office chair
Care Instructions: Do not use strong liquid cleaners
Assembly Required: Yes
Product Warranty: 1 years
Frame Material: Nylon, PP, plastic, iron, Aluminium
Base Material Details: Aluminium

Dimensions:
Overall: 62cm W x 63cm D x 106cm H 
Maximum Overall Height: 115cm
Minimum Overall Height: 106cm
Maximum Seat Height - Top to Bottom: 50cm
Minimum Seat Height - Top to Bottom: 42cm
Overall Product Weight: 22.5 Kilograms
Overall Package Size: 77cmx66cmx35cm

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 31317479876

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4.3 ★★★★★
Based on 13 reviews
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Product Reviews
A
Verified Purchase
ashlynnk
Omaha, US
★★★★★ 4
Cute, comfortable waterproof boots (a little snug to put on)
Size: 7, Color: Velvet Tan/Gum 2
These are really cute Chelsea-style boots and feel very comfortable once they’re on. The waterproof material is great for wet weather and the sole feels sturdy with good traction. They look stylish enough to wear casually but still feel practical for rainy days. The only downside is they can be a little difficult to put on at first because the opening is somewhat snug, but once they’re on they fit well and feel supportive. Overall they’re a great waterproof boot and I’ve enjoyed wearing them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
A
Verified Purchase
Abby B
Boise, US
★★★★★ 5
Surprisingly great for my wide feet and high instep!
Size: 10.5, Color: Velvet Tan/Gum 2
So thrilled I took a chance on these. Finding boots is impossible for me. I have wide feet, a super high instep, a bunion on one foot, and I wear a hard to find size (10.5). I ordered the 10.5 and 11 in these expecting I might need to size up for width (if I could even get them on). It was a struggle getting the 10.5s on the first time, and once I did they were somewhat uncomfortable on the top of my left foot. But I read that they would relax so decided to give it a go because I need waterproof boots for an upcoming trip and the 11s felt too long. After two days of light wear, they are already breaking in and I have no more discomfort. Getting them on is already easier and they are plenty wide enough and very comfortable to walk in. These are true to size. Super happy and worth a day of mild discomfort to break them in!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026
E
Verified Purchase
EE
Waukegan, US
★★★★★ 5
Comfortable, sturdy, waterproof
Size: 9.5, Color: Black/Black
Loce, love, love these boots. Have walked ten miles with no foot pain around NYC. They go with everything and and are so comfortable. As they are waterproof/resistant, they get a little warm in high temps, but perfect three-season boots.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
K
Verified Purchase
Kate
Port Orchard, US
★★★★★ 5
Super cute, comfortable, practical, love that they are slip on
Size: 10.5, Color: Tobacco/Black
I have worn these 2-3 times already. The first day was a school/work day so I was on my feet 9 hours and the only issue I had was with the side of the boot rubbing against my ankle. I just make sure I wear socks high enough to cover my ankles or jeans that go into the boots now for long wear days. Absolutely love them! They keep my feet dry in this snow( we live in Michigan). I had been looking for a pair like this for awhile now and was getting super frustrated that I couldn't find my size in any that I liked. I saw that they had these available in a 10.5 and I wear 11. I looked at the Sorel website reviews (since the amazon ones weren't super helpful on sizing) and they said that the boots ran big so I took a chance on the 10.5 fitting me. They fit perfect. I have long narrow feet but I could see where they would be tight or uncomfortable on someone with wider feet. I've been trying to find a pair for my mom now since she has boot envy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
N
Verified Purchase
Nicholle King
Birmingham, US
★★★★★ 5
Worth it.
Size: 8.5, Color: Crushed Clay/Gum 2
Love all my Sorels. These were really cute, good color, comfortable, warm, fit well, good quality and sturdy. I would order again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026

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