ProtoArc EC200 Ergonomic Office Chair with Adjustable Seat Depth, Grey

Price: $179.99 - $168.99
(as of Sep 29, 2026 05:17:54 UTC – Details)
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From the brand

Mission

At ProtoArc, our mission is to deliver innovative workspace solutions that enhance comfort, boost productivity, and foster overall wellness.

Vision

We believe that everyone deserves a workspace that not only meets their functional needs but also empowers them to thrive. Our vision is a world where work environments promote health, happiness, and high performance.

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Tailored Fit for Your Body Type: Designed for users 5’4″–6’0″ and under 220 lbs – the EC200 chair is specifically calibrated for this body range to deliver a proper ergonomic fit
Ergonomic Support for 8+ Hours Sitting: Trusted by ergonomic experts, our desk chair provides all‑day comfort and focus. Engineered with 3‑point support – adjustable lumbar, high-tension mesh back, and 3D headrest for natural spine curve
Sliding Seat Depth Adjustment: 5 positions with 1.97″ travel let you adjust seat depth independently – rare feature under 200. Keeps thighs fully supported while back stays against lumbar, eliminating dangling legs and knee pressure
Adjustable Lumbar Support: 2.36″ height + 0.8″ depth adjustment fills your lower back curve to prevent slouching. Stays supportive whether upright or reclined. An ergo office chair that keeps your back properly aligned
55D Foam Cushion – Built to Last: 55D high-density foam resists collapse and sagging through years of daily use. Holds posture, prevents “bottoming out”. Backed by BS EN 1335, BIFMA X5.1, and TÜV-tested Class 4 gas lift
4-Stage Recline with Tension Control: 4 lock positions at 90° (work), 105° (reading), 120° (calls), and 130° (relax). Tilt tension knob lets you fine-tune recline resistance. Adapts to every moment of your workday
Quick Assembly & Fits Small Spaces: 20‑min assembly with included tools and visual guide. Designed to fit bedroom corners and studio apartments.ProtoArc Support Team stands by for any questions