The Original Headrest for the Herman Miller Aeron Chair (HW, Onyx)????? 12″D x 7″W x 8H. Headrest for your Herman Miller’Aeron’ chair. Item Weight 3.5 Pounds. Maximum Weight Recommendation 300 Pounds. Headrest, Hex tool, Replacement Bolt for A-Size Chairs, Spare Caps, Instructions. IMPROVE YOUR POSTURE AND YOUR PRODUCTIVITY WITH SUPERIOR ERGONOMICS – One size fits all: The new HW fits all heights. Engineered Now Headrest – Wide (HW) for the Aeron is ergonomically designed to support professionals in constant motion. The ideal head and neck support will maximize performance while using modern technologies. EXPERIENCE THE ULTIMATE UPGRADE TO YOUR HERMAN MILLER AERON – Our headrests are designed to provide you with the neck support the Aeron Chairs are missing while perfectly complimenting your Aeron in terms of quality, color, fabric and design. Find the fit for you by first selecting your height and following the prompts below to make sure you get a perfect match. A PERFECT FIT – We are excited to launch our Wide Headrest for the Aeron. Ideal for audio professionals, design enthusiasts and gamers, the HW will keep you inspired and rest your head and neck when needed. FULLY ADJUSTABLE – With your comfort in mind, Engineered Now headrests are easily adjusted while sitting. The three free-flowing adjustment options allow you to fully customize your posture while resting, performing tasks, or being in motion. STRONG, BUT VERSATILE – Provides reliable support that adjusts freely Up & Down, Forward & Backward, Tilt Up & Tilt Down, all from a seated position. SIMPLE INSTALLATION – Arrives with everything you need and takes only minutes to install! Check out our Installation page for a guided installation video. Engineered Now is proud to offer the fine-tuned HW Headrest to enhance your Herman Miller Aeron, elevate your comfort and improve your productivity. From large corporations to home offices, these ergonomic add-ons are a must for every avid Aeron chair owner. Eliminate upper-back, shoulder, and neck pain by adding this headrest to your chair today! We offer the best prices around on high quality products. Our E-store includes media such as books, movies, music and games while offering electronics, toys, sporting apparel, clothing, tools, general home, garden items and more. We are always working hard to ensure your package arrives as soon as possible. We do not accept P. Please provide a physical address. We try our very best to make sure every customer is completely satisfied. If there’s a problem, message us! We’re happy to help.