ProtoArc®
Flexer Ergonomic Chair
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Free
Shipping
30-Day
Return
Expedited
Refund
2-Year
Warranty
Flexer vs Flexer Pro
Feature
Flexer
Flexer Pro
Certifications
Yes
Yes
Cooling Mesh Backrest
Yes
Yes
Dual Lumbar Support
—
Yes
Armrests
3D/4D
4D/5D
Adjustable Tilt Tension
—
Yes
Ventilated Cushion
Yes
Yes
Easy Assembly
Yes
Yes
Description
Work in Your Comfort Zone
ProtoArc Flexer series pairs breathable mesh with adaptive ergonomics for long-hour focus. Clean lines and a modern silhouette—ideal for home offices and workstations.
Flexer vs Flexer Pro
Both models offer a 125° multi-lock recline and 7 cm seat-depth adjustment. Flexer Pro adds a 5° forward tilt and upgraded 4D/5D armrests for a precision fit.
Breathable, Washable FlexWeave™ Mesh
100% nylon mesh is waterproof and hydrophobic for easy care. Rinse clean to remove everyday spills while keeping airflow high and skin contact cool.
Adaptive Recline & Targeted Support
Fine-tune tilt tension for your body weight and task. Dual-segment lumbar support and a multi-directional headrest promote neutral spine alignment during long sessions.
Seat Depth & Airflow Comfort
7 cm seat-depth adjustment supports different leg lengths for better thigh contact. A ventilated cushion shell channels air to reduce heat and moisture build-up.
Materials That Last
Durable FlexWeave™ mesh and 55D high-resilience foam help the chair keep its shape and comfort. Built for daily use with consistent support over time.
Engineered Airflow & Easy Care
Optimized pore geometry increases air circulation for cooler sitting. Waterproof mesh shrugs off spills—rinse clean and keep going.
Practical Details
Smooth, hair-resistant casters and a safer Class-4 gas lift make everyday use effortless. Built to glide quietly and adjust smoothly.
Quick Assembly, Lasting Assurance
Tool-light setup in about 10 minutes gets you seated fast. Backed by a 10-Year Limited Warranty for long-term peace of mind.
Specs
Flexer Series — Technical Specifications
Parameter-first comparison for Flexer Pro and Flexer (Standard).
Specification Comparison
| Parameter | Flexer Pro | Flexer (Standard) |
|---|---|---|
| Recommended User Height | 160–195 cm | 155–195 cm |
| Recline Angle & Lock | Up to 125° · multi-lock (3 levels) | Up to 125° · multi-lock (3 levels) |
| Forward Tilt | 5° forward tilt | — |
| Mechanism | Dual-rod controlled base · damping adjustable | Auto-balance tilt · multi-lock |
| Seat Height Range (Gas Lift) | SGS Class 4 · ±10 cm | SGS Class 4 · ±10 cm |
| Seat Depth Adjustment | 7 cm | 7 cm |
| Lumbar Support | Height adj. ~5 cm | Height adj. ~5 cm |
| Headrest | Multi-directional · height adj. ~6 cm | Height adj. ~6 cm (per configuration) |
| Armrests | 4D/5D：↑↓ 10 cm · ↔ 5 cm · ⤢ 3 cm · ↻ ~30° | 3D/4D：↑↓ 10 cm · ↔ 5 cm · ⤢ 3 cm · ↻ ~30° |
| Upholstery / Mesh | High-density 100% nylon mesh · washable · hydrophobic · antibacterial options* | High-density mesh · breathable · easy-care |
| Base | Aluminum alloy | Reinforced base (material per configuration) |
Notes: *Antibacterial/hygiene features and related tests depend on production batch or selected option.
WARRANTY INFORMATION
10-Year Limited Warranty: Covers defects in materials and workmanship under normal use for ten (10) years from the purchase date. Terms and claim process may vary by sales channel.
Flexer Ergonomic Chair
flexer / White