SIHOO M57 Ergonomic Office Chair with 3 Way Armrests Lumbar Support and Adjustable Headrest High Back with Tilt Function (Black)
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Product details
| Management number | 208355699 | Release Date | 2026/03/22 | List Price | US$36.00 | Model Number | 208355699 | ||
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| Category | |||||||||
- 【Adjusts to You, From Bottom to Top】 Whether you're working, gaming, or just relaxing, SIHOO ergonomic chair adapts to your needs. The headrest tilts and lifts to support your neck just right. The lumbar support shifts in height and depth to fit the curve of your lower back. Recline from 90° to 126° to change posture throughout the day. With smooth height lift and 360° swivel, you move freely and stay comfortable—however you sit.
- 【Ergonomic Support Where You Need It Most】 Recommended by the Ergonomics Application Association, the SIHOO ergonomic office chair is shaped to match the natural curve of your spine. The split backrest cushions your back and helps relieve pressure along the spine. The waterfall-edge seat supports your thighs while improving circulation, keeping you comfortable through long hours at your desk.
- 【Stable, Durable, and Quiet】Built with a reinforced aluminum base and a dual-frame backrest, our desk chair holds up to 330 lbs with ease, staying sturdy and supportive even with daily use. Smooth-rolling, silent casters glide across the floor without noise or scratches—perfect for quiet workspaces.
- 【Certified Safety You Can Trust】Every key part of the SIHOO chair has undergone over 100,000 rigorous safety tests and is certified by BIFMA and SGS. Built with your safety in mind, it offers the confidence to sit, recline, and move freely—knowing your chair is tested, trusted, and made to last, perfect for long workdays, gaming sessions, or everyday comfort at home.
- 【Warranty & Support You Can Count On】Every SIHOO office chair comes with a 3-year warranty and easy 30-day returns. If anything goes wrong, just contact our customer service—we’ll reply within 24 hours and send free replacement parts if needed. Your comfort and satisfaction are our top priorities.Your comfort and satisfaction are our top priorities.
| UPC | 669614656623 |
|---|---|
| Size | Oversized |
| Brand | SIHOO |
| Color | Black |
| Shape | L-Shaped |
| Style | Modern |
| Pattern | Solid |
| Tilting | Yes |
| Arm Style | With arms |
| Leg Style | Tapered Leg |
| Room Type | Office |
| Back Style | High Back |
| Model Name | M57-M111 |
| Seat Depth | 18.11 inches |
| Unit Count | 1.0 Count |
| Finish Type | Ergonomic |
| Form Factor | Recliner |
| Is Foldable | No |
| Item Weight | 41.6 pounds |
| Seat Height | 55 Centimeters |
| Manufacturer | SIHOO |
| Fill Material | Polyester |
| Material Type | Aluminum, Mesh, Polypropylene |
| Is Customizable | No |
| Number of Items | 1 |
| Special Feature | Adjustable Headrest, Adjustable Height, Adjustable Lumbar, Ergonomic |
| Furniture Finish | Aluminum |
| Item model number | M57-MUS |
| Product Dimensions | 30.31"D x 13.39"W x 25.59"H |
| Included Components | 1 |
| Chair Backrest Width | 51 Centimeters |
| Age Range Description | Adult |
| Surface Recommendation | Hard Floor |
| Furniture base movement | Swivel |
| Manufacturer Part Number | M57-M015 |
| Seat Back Interior Height | 123 Centimeters |
| Number of Height Positions | 3 |
| Recommended Uses For Product | Office |
| Maximum Weight Recommendation | 350 Pounds |
| Is Discontinued By Manufacturer | No |
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