The SIHOO M57 Ergonomic Office Chair is engineered to deliver the perfect balance of comfort, support, and durability. With its oversized mesh design, 3-way adjustable armrests, and 4-way lumbar support, this chair adapts seamlessly to your body’s needs. The adjustable headrest ensures proper neck alignment, while the recline function from 90° to 126° allows you to switch postures throughout the day. Built with a reinforced aluminum base and smooth-rolling casters, it supports up to 330 lbs while staying quiet and stable. Certified by BIFMA and SGS, this high-back office chair guarantees long-lasting reliability for work, gaming, or study.
Key Features Product
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Full Ergonomic Adjustment: The SIHOO M57 adapts to your unique posture with an adjustable headrest, customizable lumbar support, height adjustment, tilt function, and 3-way armrests. Consequently, it helps reduce back strain and encourages proper alignment, keeping you productive all day.
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Comfort for Long Hours: Designed with a breathable mesh back and waterfall-edge seat, this chair promotes airflow while reducing pressure on thighs and legs. As a result, circulation improves and fatigue decreases, making it ideal for office work, gaming, or extended study sessions.
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Reliable Build Quality: Constructed with a reinforced aluminum base, dual-frame backrest, and heavy-duty mesh, the M57 supports up to 330 lbs. Moreover, the silent rolling casters ensure smooth, scratch-free mobility across different floor surfaces, which makes it suitable for various workspaces.
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Tested Safety Standards: Every part of this chair has passed over 100,000 safety tests and meets BIFMA and SGS certifications. Therefore, users gain confidence in its stability, durability, and safe daily use—whether at home or in the office.
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Warranty and Support: Backed by a 3-year warranty and a 30-day hassle-free return policy, SIHOO provides reliable customer support. Additionally, free replacement parts are available if needed, which ensures peace of mind after purchase.
Easy Assembly: The chair comes with clear instructions and requires minimal effort to set up, allowing you to start enjoying comfort in less than 20 minutes.
Versatile Use: Perfect for home offices, professional workstations, or gaming setups, this chair combines ergonomic design with modern style for any environment.
Specifications
- Brand: SIHOO
- Color: Grey
- Dimensions: 16.93″D x 24.02″W x 43.31″H
- Seat Material: Nylon Mesh
- Frame Material: Plastic
- Back Style: High Back
- Item Weight: 16.5 Kilograms
- Maximum Weight Capacity: 330 lbs
- Recline Range: 90°–126°
- Adjustable Features: Headrest, Lumbar Support, Armrests, Height
Customer Reviews
- S. Campbell: Daily use has proven this chair to be high-value, comfortable, and easy to assemble, making it worth the investment.
- Paulmitch: Impressed with the build quality and adjustability, he replaced his Herman-Miller Aeron with this SIHOO M57 for better value.
- R. M. User: Found the lumbar support excellent and assembly simple, though rolling mobility could be smoother on some surfaces.
- Anon: Perfect for work-from-home setups, providing adjustability and comfort for full 8-hour workdays.
- Scott Eburne: Praised its adjustability and mesh comfort, considering it a professional-grade chair at a mid-range price point.
