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

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

• Ergonomic Design, Healthy Office Work: Designed for modern professionals, the EC200 ergonomic chair combines comfort and health with adjustable lumbar support, seat depth, backrest, seat height, multi-dimensional headrest, and large armrests, serve people from 5'4" to 6'3" (Capacity up to 280 lbs). Tested for 8+ hour comfort, this chair actively supports posture whether working from home or office. More than just seating - it's your health-focused productivity partner
• 2-Way Adjustable Lumbar Support: Features 4-diretion lumbar adjustment (2.36" height + 0.8" depth customization), the computer desk chair contours to your spine's natural curve. High-strength mesh back distributes pressure evenly, reducing lower back strain by up to 50%. Ideal for those who spend long hours at a desk, it promotes better posture while keeping you focused and relaxed
• 【Tested for Safety and Durability】At ProtoArc, all of our chairs meet BS EN 1335 ergonomic requirements and have been tested by SGS according to ANSI/BIFMA X5.1 for key strength and stability.They feature a TÜV Rheinland–tested Class 4 gas lift (EN 16955) for smooth,ensuring smooth, stable height adjustment and reliable performance for everyday and long-term use
• Better Support Seat Cushion: Designed with a high-resiliency foam cushion at 55 density, the office chair seat strikes the perfect balance between comfort and support. Enhanced pressure distribution design provides targeted support for the sitting bones and relieves sacral pressure. The reinforced base prevents sagging, making it suitable for users weight up to 280lbs. Enjoy hours of comfortable seating without the dreaded “office chair” syndrome
• Customizable Seat Depth: The sliding seat allows personalized seat depth in 5 positions with instant-lock mechanism adapts to your leg length. By optimizing the sitting area, the computer chair maintain proper back support and release legs pressure - whether you're taller and shorter users
• 4 Tilts Back Angles: Adapt to your changing focus through out the day with the 4-level backrest tilts. 90° (upright work), 105° (reading), 120° (phone calls), and 130° (relaxation). The ergonomic mesh chair features tilt tension control—simply rotate the tension knob to adjust reclining resistance to your preference
• Multi-Dimensional Headrest: The large mesh headrest with 3D flexibility—Dual-Axis rotating, height, and depth adjustments, tailored for your head and neck’s natural curve. Designed for users 5'4" to 6'3", it adapts seamlessly to different body types, ensuring optimal support whether you're working, gaming, or relaxing. The wider armrests offer stability and comfort, with a height adjustment of 2.76"
• Easy Assembly and Reliable Support: We provide a detailed visual installation guide that allows you to easily follow step-by-step. No extra tools needed, 20-Min Assembly. For any inquiries, our ProtoArc Support Team is ready to assist you. We commit to finding satisfactory solutions for any parts or functionality issues that may arise