ErgoNest
Onyx Pro Mesh Chair
Onyx Pro Mesh Chair
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- Designed for Comfort
- 30-Day Returns
- Free US Shipping
Who it's for
For taller bodies, bigger frames, and longer days. The Onyx Pro is built around a 400 lb capacity, BIFMA and SGS certified to outlast lighter chairs by years. Fits anyone from 5'5" to 6'2" — flip the arms up when you need to slide under the desk, lean back to 120° when you don't.
Features
- Sleek all-black design that disappears into any setup
- Breathable elastic mesh back keeps you cool through long sessions
- Adjustable headrest — height and angle, sized for any neck
- Flip-up armrests fold 45° out of the way so the chair tucks under the desk
- Tilt-back 90°–120° for active sitting and real breaks
- BIFMA and SGS certified — 2 to 5 years of reliable service
- Heavy-duty 5-star base supports up to 400 lbs
- Designed for users 5'5"–6'2" tall
- Smooth-rolling casters glide over wood, tile, or carpet
Specifications
| Frame | Heavy-duty metal, 5-star base, black powder coat |
|---|---|
| Backrest | Breathable elastic mesh with lumbar support |
| Seat | Breathable mesh seat with reinforced edge |
| Headrest | Height + angle adjustable |
| Armrests | Flip-up, 45° fold |
| Recline | Tilt-back 90°–120° |
| Swivel | 360° rotation |
| Certifications | BIFMA, SGS |
| Casters | 5 smooth-rolling wheels for hard floors or carpet |
| Height adjustment | Pneumatic gas cylinder |
| Recommended user height | 5'5" – 6'2" (165 – 188 cm) |
| Weight capacity | 400 lbs (181 kg) |
| Color | Black |
| Service life | 2–5 years |
| Warranty | 12 months |
What's in the box
- 1 × Mesh backrest with attached headrest
- 1 × Mesh seat
- 2 × Flip-up armrests
- 1 × Pneumatic gas cylinder with cover
- 1 × Heavy-duty 5-star base
- 5 × Smooth-rolling casters
- 1 × Hardware kit and Allen key
- 1 × Assembly manual
Why ErgoNest?
We create chairs for people who are tired of simply enduring back pain.
Every ErgoNest chair was born from a real understanding of what it feels like to finish your workday with an aching lower back, stiff shoulders, and overall fatigue. We don’t just make ergonomic furniture — we craft genuine comfort solutions that help people work longer, feel better, and finally live without constant pain.
With thoughtful spinal support, attention to natural posture, and comfort you notice from the very first minute, our chairs become a daily relief for anyone who spends long hours working.
Because sitting shouldn’t hurt.
It should feel good.