EC Series – Ergonomic Mesh Chairs for All‑Day Comfort

The ProtoArc EC Series brings together high‑performance ergonomic office chairs designed to support the spine, reduce back pain, and keep users productive through long work hours. Each chair features breathable mesh backs, adjustable lumbar support, sliding seat depth, multi‑angle recline, and 3D headrests. From the value‑packed EC100 to the fully adjustable EC300, the EC Series offers a chair for every body type and workspace.

Key Features Across the EC Series

• Adjustable Lumbar Support – 2‑way or 4‑way customization to match the natural curve of the lower spine.
• Breathable Mesh Back – Wintex or high‑tensile mesh keeps the back cool and dry during extended sitting.
• Sliding Seat Depth – 5‑position sliding mechanism (up to 2 inches) ensures proper thigh support for users from 5'4" to 6'5".
• Multi‑Angle Recline – Lockable angles (90°–130°) with tilt tension control for work, reading, or rest.
• 3D Adjustable Headrest – Rotates, lifts, and tilts to support the neck and reduce upper back fatigue.
• Durable Construction – SGS Class‑4 gas lift, alloy base, quiet casters, BIFMA certified, 280 lbs capacity.
• 5‑Year Warranty – Covers structural components (gas lift, base, mechanism).

Which EC Chair Fits Your Needs?

EC100 offers essential ergonomics with adaptive lumbar and spring cushion. EC200 adds more adjustment (2‑way lumbar, 3D headrest, 4 recline angles). EC300 provides full customization including height‑adjustable backrest and precise lumbar & sacrum support. All chairs are tested for safety and built for years of daily use.

Looking for a complete ergonomic workspace? Check out EK Series Keyboards and EM Series Mice. Need pain relief? Explore Back Pain Solutions or Ergonomic Solutions.