SIHOO - M57 Ergonomic Office Chair with 3D Armrest, Mesh Desk Chair with Lumbar Support, 300lb - Gray
Color
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Specifications
- Product Height48.46 inchesProduct Width27.58 inchesProduct Depth18.12 inchesSeat Height (From Floor)21.67 inchesMaximum Weight Capacity300 poundsMaximum Seat Height From Floor21.67 inches
- Key Specs
- Product Height: 48.46 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 27.58 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth: 18.12 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
- Seat Height (From Floor): 21.67 inches
- Maximum Weight Capacity: 300 pounds (The maximum load that can be supported by the product.)
- Maximum Seat Height From Floor: 21.67 inches
- Minimum Seat Height From Floor: 18.12 inches
- Seat Width: 20.09 inches
- Seat Depth: 18.12 inches
- Ergonomic Design: true
- Caster Style: Silent Non-Slip Wide-Rim PU Casters (The design of the wheel with brackets or stems mounted to the bottom of each leg which allows for easily moving the item across various surfaces. Certain styles are better suited for different flooring, for example soft casters are best for hardwood or tile while hard casters can more easily glide across carpet.)
- Armrest Features: Adjustable height
- Lumbar Support Type: None
- Assembly Required: Yes
- General
- Brand: SIHOO
- Model Number: M57-M113
- Product Name: M57 Ergonomic Office Chair with 3D Armrest, Mesh Desk Chair with Lumbar Support, 300lb
- Color: Gray
- Assembly Required: Yes
- Dimensions
- Product Height: 48.46 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 27.58 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth: 18.12 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
- Product Weight: 44.44 pounds (The out of box weight of the item.)
- Seat Height (From Floor): 21.67 inches
- Maximum Weight Capacity: 300 pounds (The maximum load that can be supported by the product.)
- Maximum Seat Height From Floor: 21.67 inches
- Minimum Seat Height From Floor: 18.12 inches
- Seat Width: 20.09 inches
- Seat Depth: 18.12 inches
- Backrest Height: 19.7 inches
- Backrest Width: 20.09 inches
- Material
- Material: Metal
- Frame Material(s): PP+Fiber
- Seat Material: PP+Fiber
- Backrest Material: PP+Fiber
- Protective Qualities: Fire resistant, Stain resistant, Scratch resistant
- Design
- Office Chair Style: Desk chair
- Ergonomic Design: true
- Base Design: Other
- Caster(s) Included: true
- Caster Style: Silent Non-Slip Wide-Rim PU Casters (The design of the wheel with brackets or stems mounted to the bottom of each leg which allows for easily moving the item across various surfaces. Certain styles are better suited for different flooring, for example soft casters are best for hardwood or tile while hard casters can more easily glide across carpet.)
- Recommended Surface(s): All surfaces
- Features
- Motion Type: Swivel
- Number Of Chairs Included: 1
- Reclining: true
- Chair Tilt: Adjustable
- Swivel Angle: 360 degrees
- Adjustable Seat Height: true
- Pneumatic Height Adjustment: false
- Headrest Included: true
- Headrest Features: Adjustable height, Removable
- Armrests Included: true
- Armrest Features: Adjustable height
- Lumbar Support Type: None
- Breathable Backrest: true
- Built-In Headphone Jack: false
- Built-In Speakers: false
- Cup Holder(s): false
- Warranty
- Warranty - Parts: Headrest, Armrests, Wheels，Gas cylinder
- Warranty - Labor: Three Years
- Other
- UPC: 799947518234
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.
- 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.
- 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.
- 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.
- 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.
- Easy for installation and Warranty: The office chair is packaged with instructions, labeled parts, additional screws and rubber gloves and can be installed in half an hour. Sihoo ergonomic chair 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.
- 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.
- 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.
- 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.
- 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.
- Easy for installation and Warranty: The office chair is packaged with instructions, labeled parts, additional screws and rubber gloves and can be installed in half an hour. Sihoo ergonomic chair 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.
Whats Included
- 1* office chair 1* menu
- 1* office chair 1* menu
Compare similar products
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.
This ergonomic office chair features a breathable mesh back for optimal airflow and comfort. It includes an adjustable headrest, lumbar support, and flip-up armrests for personalized, space-efficient comfort. Built with a sturdy frame, metal base, and a reliable level-3 gas lift, it ensures durability and stability. Designed to promote proper posture and reduce strain during long sitting hours.
The SIHOO Ergonomic Office Chair delivers superior comfort with its fully adjustable design, featuring a multi-directional headrest, customizable lumbar support, 3D armrests, and a 90°-126° reclining backrest for versatile working positions, along with 3.15-inch height adjustment and 360° smooth rotation. Endorsed by the Ergonomics Application Association, its scientifically designed ridge backrest mirrors the human spine to relieve pressure, while the waterfall-edge seat cushion provides optimal thigh support. Built with premium materials, including a sturdy aluminum base, noise-free casters, and a dual-frame backrest for enhanced durability, this chair undergoes rigorous testing (including seat impact, armrest fatigue, and leg static pressure tests) to meet strict safety standards. Backed by a 3-year warranty, we offer free replacement parts for any quality issues—contact us for prompt assistance.
The SIHOO Ergonomic Office Chair delivers full-body support with four key contact points (head, back, hips, and arms) and adjustable lumbar reinforcement, designed to reduce discomfort during prolonged sitting. Ideal for users between 5'6" and 6'2", it features customizable seat height, headrest, and back support for personalized comfort. Perfect for home, office, or gaming, this versatile chair suits various needs while offering great value. Its breathable mesh backrest ensures airflow to keep you cool and focused. Built to last, it passes BIFMA certification and a 1136kg static pressure test, supporting up to 150kg, with easy assembly in just eight steps. Backed by a 30-day return policy and a 3-year warranty, we guarantee satisfaction—contact us for any issues, and we’ll provide free replacements or solutions.
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