ProtoArc Ergonomic Office Chair – EC200 High-Back Mesh Computer Chair with Lumbar Support, 3D Adjustable Headrest & Sliding Seat for 8 Hour Comfort, Big & Tall Home Office Desk Chairs - Black

Size & Weight Advisory: Our ergonomic chair is optimized for users 5'4" – 6'0" tall and up to 220 lbs. Please check your measurements before ordering. If you're outside this range or experience any fit/comfort issues, contact our support team – we're here to help
Ergonomic Design for Healthy Work: The EC200 combines adjustable lumbar, seat depth, backrest, height, headrest, and armrests to fit users 5'4"–6'0" (220 lbs). Tested for 8 hour comfort – your health-focused productivity partner at home office
2-Way Adjustable Lumbar Support: Features 4-direction adjustment (2.36" height 0.8" depth) , the ergonomic office chair contours to your spine. High-strength mesh reduces lower back strain by up to 50% – better posture, focused & relaxed
Safety & Durability Tested: Meets BS EN 1335 and BIFMA X5.1 standards. Features a TÜV Rheinland–tested Class 4 gas lift (EN 16955) for smooth,ensuring smooth, stable height adjustment and reliable performance
Better Support Seat Cushion: 55-density high‑resiliency foam prevents sagging, relieves sitting bone & sacral pressure – lasting comfort without numbness(Seat cushion too firm/soft? Reach out to us for personalized accessory upgrades.We’re here to help you sit right)
Customizable Seat Depth: 5-position sliding seat with instant lock adapts to your leg length – optimizes back support and relieves leg pressure for taller or shorter users
4 Tilts Back Angles: Adapt to your changing focus through out the day with the 4-level backrest tilts. 90° (work), 105° (reading), 120° (calls), 130° (relax). The mesh computer chair also has a tilt tension knob to adjust reclining resistance to your preference
Multi-Dimensional Headrest: 3D dual‑axis headrest (height, depth, rotation) cradles your neck naturally. For adjustment questions, contact our support
Easy Assembly & Reliable Support: 20‑min assembly with included tools and visual guide.For any inquiries, our ProtoArc Support Team is ready to assist you

Location: DFW, TX