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RIEIOR Ergonomic Office Chair with Dynamic Split-Back Design
You spend hours at your desk, whether finishing a project or unwinding with a game. This chair is built for that reality, offering more than just a place to sit—it's a tool for maintaining comfort and focus throughout your day. The dynamic split-back design moves with you, providing continuous support for your spine and lumbar as you shift positions, so you stay aligned without constant readjustment.
Experience the difference with the 3.15" ultra-thickened high-density molded foam seat. It distributes pressure evenly across your hips and thighs, preventing that numb feeling during long sessions. The 4D adjustable armrests and retractable footrest let you customize your setup for work or relaxation, while the durable construction ensures it holds up over time. This isn't just an office chair; it's your partner in productivity and comfort, designed to help you feel better at the end of each day.
Features
- 3.15-inch contoured comfort seat with high-density foam
- 4D adjustable armrests and retractable footrest
- Premium automotive-grade molded foam for durability
- Certified by CE, GCC, SGS, and BIFMA with 2-year warranty
- Dynamic split-back support for spine and lumbar
General specs
- Brand: RIEIOR
- Seller: Amazon
- ID: B0GN8WGN4S
- Brand: RIEIOR
- Footrest: Retractable
- Foam Grade: Automotive-Grade
- Seat Design: Ergonomic Curved Design
- Backrest Type: Dynamic Split-Back Design
- Seat Material: High-Density Molded Foam
- Certifications: CE, GCC, SGS, BIFMA
- Foam Thickness: 8 cm
- Frame Material: Aircraft-Grade Glass Fiber Nylon
- Seat Thickness: 3.15 inches
- Coverage Warranty: Parts and Defects
- Duration Warranty: 2 years
- Armrest Adjustability: 4D Adjustable
- Response Support Time: 24-hour Weekday Response
- First listed by seller: 4/15/26
If you are interested in more details, you can find full information on the seller's page.
Amazon live offers
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Top live offer
$179.99
Free shipping
New
Third-party seller
Shippable
Offers updated: 6/3/26
Price History for seller Amazon
Shipping options
Delivery to 
Russia
Russia
Available
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| Brand | RIEIOR | JOMEED | Nouhaus | BESTFAIR | Nouhaus | |
| Model | Ergo3D | Ergo3D | ||||
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| Price | $179.99 | $169.88 | $299.99 | $129.99 | $149.99 | $329.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | May 20, 2026 | May 20, 2026 | Apr 19, 2026 | May 27, 2026 | May 20, 2026 | May 11, 2026 |
| Backrest Type | Dynamic Split-Back Design | Adjustable, high back | High Back, Mesh | |||
| Seat Material | High-Density Molded Foam | Double-layered mesh | Mesh | High Density Foam | ||
| Certifications | CE, GCC, SGS, BIFMA | BIFMA Test | BIFMA, 1136 kg static pressure test met | BIFMA Test | ||
| Frame Material | Aircraft-Grade Glass Fiber Nylon | Not specified | Mesh | Reinforced Steel | ||
| Headrest | 4D adjustable headrest | Adjustable | Adjustable | |||
| Warranty | Not specified | Standard manufacturer warranty, contact seller for details | Lifetime | |||
| Base Material | Reinforced metal base | Aluminum Alloy | Aluminum Alloy | |||
| Lumbar Support | 3-Zone dynamic lumbar support | 3D Adjustable | 3D Adjustable, Adjustable | |||
| Chair Type | Ergonomic Office Chair, Mesh Office Chair, Home Office Desk Chair | Ergonomic Office Chair, Desk Computer Chair, Leather High Back Executive Chair | Ergonomic Office Chair, Mesh Office Chair, High Back Home Office Desk Chair | |||
| Pressure Static Test | 1136 kg (2504 lbs) | 2500 lbs passed | 1136kg | |||
Ergonomic Office Chair with Dynamic Split-Back Design Black Dynamic split-back support for spine and lumbar
$179.99
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