Herman Miller Aeron Chair Size a – Graphite Fully Loaded Adjustable Arm Height Tilt Tension Control Lumbar Support – Repackaged Ergonomic Office Desk Chair. FULLY LOADED: Experience superior comfort with our fully loaded office chair that comes with complete features and ergonomic functions, including fully adjustable arms and height, knee tilt mechanism, forward & recline tilt, tension control, and lumbar support backrest. 8Z PELLICLE MESH: Get comfortable with the Aeron office chair featuring an 8Z Pellicle elastomeric suspension seat & and backrest with a powder-coated aluminum frame, base, and nylon castors which eliminates pressure points that restrict circulation and keep you cool. LUMBAR SUPPORT: Our office chairs feature the backrest with adjustable lumbar back support which mimics the natural spinal curve of the sitter with lower back cushioning to help with proper spinal movement and body alignment. Also prevents back pain. TILT MECHANISM: This ergonomic office chair comes with a forward and rear tilt mechanism which functions by tilting the front of the seat. The knob controls the chair’s tilt using a tension control mechanism. ADJUSTABLE ARMRESTS: Our lumbar support office chair features fully adjustable arms to suit the best sitting position for a comfortable seating experience. These adjustable arms provide support for the elbows and forearms, prevent slouching, and alleviate shoulder pain. Each chair is expertly refurbished to the highest standards, reducing environmental impact while providing top-notch performance. Product Sourcing & Fulfillment Policy. We believe in transparency and trust. Below is an overview of our product sourcing and fulfillment process. Quality Control: All products are carefully selected and reviewed before being listed for sale. Item condition, specifications, and details are accurately described in each listing. We are committed to resolving all inquiries promptly and professionally. Thank you for your trust and continued business. Carrier delays or routing changes. We appreciate your understanding in these situations. Please review all item details carefully before purchasing. Damaged or Non-Functional Items. Your satisfaction is important to us. If you experience any issues with your order, please message us before leaving feedback so we can work toward a resolution. Thank you so much for supporting our small business-we truly appreciate it! Your feedback is very important to us, after you get your package and you are. Satisfied with our service. Thank you for shopping at our store.