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EC200 Ergonomic Office Chair

High-Back Ergonomic Office Chair with Adjustable Lumbar, 3D Headrest & Customizable Seat Depth
Regular price$229.99
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Color: Black

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5 Years backed by responsive support for product and parts-related issues. Click for Warranty Policy.

Ergonomic Office Chair — Sit Better, Work Comfier

The EC200 combines breathable mesh, adjustable lumbar support, sliding seat depth, and 8-point ergonomic adjustment to support comfortable posture through long workdays at home or in the office.

ProtoArc EC200 ergonomic office chair for home office and long work sessions

8 Points of Adjustment

Tune your fit in seconds—built to support users from 5'4" to 6'0" and up to 220 lbs.

EC200 ergonomic chair adjustment guide with seat height, lumbar support, seat depth, armrest height, backrest tilt, headrest, tilt tension and 360 swivel

Adjustable Seat Depth

Slide seat depth 1.97" to fit your leg length. 5 positions, instant lock. Fits more body types, reduces pressure, and improves posture.

EC200 adjustable seat depth with 1.97 inch sliding range and 5 lockable positions

Real Size. Real Fit.

Recommended user height: 5'4"–6'0", weight: 90–220 lbs. Every dimension measured for real bodies, not just specs on paper.

EC200 chair size guide with dimensions for headrest, seat height, seat width, backrest and base

Built to Last, Backed by Science

Premium materials, rigorous testing, and proven durability. RoHS, BIFMA, REACH, TÜV SÜD, EUIPO, and SGS certified. Medium-firm cushion for balanced pressure distribution and neutral spinal posture.

EC200 chair certifications including RoHS BIFMA REACH TÜV SÜD EUIPO SGS and pressure distribution comparison

2-Way Lumbar + All-Day Breathability

2.36" height and 0.8" depth adjustments contour to your spine, while the high-strength mesh distributes pressure evenly and keeps you cool for 8+ hours of support.


Supportive Cushion & Durable Build

A 55D high-resilience foam cushion and reinforced base resist sagging. Sliding seat depth with 5 lockable positions adapts to your legs. SGS Class-4 gas lift, stable base, and silent wheels ensure reliability.

EC200 chair components including cushion, sliding seat depth, SGS Class-4 gas lift, base and silent wheels

Built for Modern Workspaces

Quiet wheels and durable materials make EC200 ideal for modern home offices and shared workspaces.

EC200 ergonomic mesh chair in modern Scandinavian home office with wooden desk and shelving

Fits Home Office, Study or Bedroom

Easy, step-by-step assembly in about 20 minutes, no extra tools needed. Whether at a standing desk, floating desk, or compact study corner—EC200 adapts to your space.

EC200 ergonomic chair with male model at height-adjustable standing desk with monitor arm in home office

EC200 Installation & Adjustment Guide Video

Step-by-step instructions to set up and optimize your EC200. Watch our detailed video to ensure proper installation and adjustment for optimal performance.

EC200 installation and adjustment guide video thumbnail

EC200 FAQs

Is EC200 good for long office work?

Yes. EC200 is designed for long work sessions with breathable mesh, adjustable lumbar support, sliding seat depth, and 8 ergonomic adjustment points.

Is EC200 suitable for home office setups?

Yes. Its compact ergonomic design, quiet wheels, and adjustable fit make it suitable for home offices, study rooms, bedrooms, and shared workspaces.

What body sizes does EC200 support?

EC200 is built to support users from 5'4" to 6'0" and up to 220 lbs, with adjustable seat height, lumbar support, seat depth, armrests, and headrest.

Is mesh better for long sitting sessions?

Mesh helps improve airflow and reduce heat buildup, which can make long sitting sessions more comfortable than less breathable chair materials.

How long does EC200 take to assemble?

EC200 is designed for easy step-by-step assembly in about 20 minutes, with no extra tools needed.

What makes EC200 different from a basic office chair?

Compared with a basic office chair, EC200 offers more ergonomic adjustability, including 2-way lumbar support, sliding seat depth, multi-level recline, 3D headrest, adjustable armrests, and breathable mesh support.

DIMENSIONS

Ergonomic Office Chair

  • Dimensions: 20D × 20W × 46.75H inches
  • Net Weight: 16.5 kg (582 oz)

INCLUDED COMPONENTS

  • Arm Pads
  • Seat Cushion

SPECIFICATIONS

  • Recommended Height Range: 5'4"–6'0"
  • Recommended Weight Range: 90–220 lbs
  • Frame Material: Plastic frame
  • Backrest Material: Soft-touch mesh
  • Seat Material: 55D high-density foam cushion
  • Seat Depth: 20 inches
  • Seat Depth Adjustment: 1.97 inches, 5 positions
  • Backrest Shape: S-shape for spinal alignment
  • Total Height Adjustment: 42.52–45.67 inches
  • Lumbar Support: 2.36-inch height and 0.8-inch depth adjustment
  • Headrest: 3D adjustable for height, depth, rotation, and pivot
  • Recline Lock Positions: 90°, 105°, 120°, and 130°
  • Tilt Tension: Adjustable rotary knob
  • Armrests: 2D height-adjustable armrests
  • Casters: 2.36-inch silent casters
  • Gas Lift: Class 4
  • Assembly Time: Approximately 20 minutes