SIHOO M18-M148 Ergonomic Office Chair: Adjustable headrest and lumbar support
For the remote worker or student who spends hours at a desk, the SIHOO M18 Ergonomic Office Chair is designed to support your focus and comfort. It's not just about sitting; it's about maintaining your posture and energy throughout the day, whether you're in a home office or tackling a project.
This chair offers more than typical lumbar support. It provides a full-body alignment with adjustable headrest, back, and 2D armrests, helping you avoid the afternoon slump. The breathable mesh keeps you cool during long sessions, and the wide cushion distributes weight evenly. You'll notice the tilt lock holds your preferred recline without slipping, so you can shift positions easily.
With a 330lbs capacity and BIFMA certification, it's built for durability. Assembly takes about 20 minutes with clear instructions, making it a practical upgrade for anyone seeking reliable comfort without hassle.
Features
- 330 lbs weight capacity
- Breathable mesh backrest
- 2D adjustable armrests
- Tilt lock function
- Easy assembly in eight steps
- Adjustable headrest and lumbar support
General specs
- Brand: SIHOO
- Model: M18-M148
- Seller: Amazon
- ID: B07GNDDNMW
- Weight: 37.08 lbs
- Headrest: Adjustable
- Base Type: 5-Star
- Dimensions: 21 inches, 11 inches, 27.5 inches
- Base Material: Nylon
- Frame Material: Aluminum
- Lumbar Support: Adaptive
- Tilt Mechanism: Multi-tilt
- Weight Capacity: 330 lbs
- Upholstery Material: Mesh
- Armrest Adjustability: 4D
- First listed by seller: 2/7/26
If you are interested in more details, you can find full information on the seller's page.
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| Brand | SIHOO | ELABEST | CAPOT | Marsail | Fizzin | TRALT |
| Model | M18-M148 | X100 | OC.017 | RM-MSOC19B-N1 | 23-1 | YX001-P |
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| Price | $139.99 | $319.99 | $199.99 | $139.99 | $109.99 | $139.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Feb 7, 2026 | Feb 7, 2026 | Feb 7, 2026 | Feb 7, 2026 | Feb 4, 2026 | Feb 7, 2026 |
| Weight | 37.08 lbs | 43 pounds | 38 lbs | 31.53 lbs | 25.35316013 pounds | 28 |
| Casters | Non-Scratching, Quiet | Non-Scratching, Quiet | Quiet | Non-Scratching, Quiet | Non-Scratching, Quiet | |
| Headrest | Adjustable | Included, Adjustable | Adjustable | Adjustable | Adjustable | |
| Base Type | 5-Star | 5-Star | 5-Star | 5-Star | 5-Star | 5-Star |
| Dimensions | 21 inches, 11 inches, 27.5 inches | 24 inches, 41 inches, 26 inches | 25.2 inches, 40 inches, 22 inches | 27.6 inches, 43 inches, 18.9 inches | 25.590551155 inches, 52.362204671 inches, 24.6062991875 inches | 25.7, 46.93-49.2, 17.3 |
| Base Material | Nylon | Nylon | Nylon | Nylon | Nylon | Nylon |
| Recline Angle | 15° | 90°, 110°, 125° | 90°, 120° | 125° | ||
| Frame Material | Aluminum | Aluminum, Plastic, Steel | Steel | Aluminum | Aluminum | Steel |
| Lumbar Support | Adaptive | Adaptive | Adaptive | Adaptive | Adaptive | Adaptive |
| Tilt Mechanism | Multi-tilt | Multi-tilt | Multi-tilt | Multi-tilt | ||
| Weight Capacity | 330 lbs | 300 pounds | 400 lbs | 300 lbs | 400 pounds | 330 |
| Upholstery Material | Mesh | Mesh | Mesh | Mesh | Mesh | Mesh |
| Armrest Adjustability | 4D | 4D, 5D | 4D | 4D | 4D | |
| Seat Height Adjustment | 18.3 inches, 23 inches | 18.5 inches, 22.05 inches | 18.8 inches, 22.1 inches | 17.57-21.7 | ||