The Original Headrest for the Herman Miller Aeron Chair (H3 for Classic, Carbon). Headrest, Hex tool, Replacement Bolt for A-Size Chairs, Spare Caps, Instructions – Chair is not included. Recommended Uses For Product. Specific Uses For Product. Ergonomic, Neck Pain, Office. Item Dimensions L x W. 12″L x 9″W. Target Use Body Part. HOW TALL ARE YOU? Our headrests are offered in two sizes to accommodate a wide variety of users. If you are under 5′-11 (180 cm), choose the H3 model. If you are 5′-11 or taller, choose the H4 model. WHICH AERON DO YOU HAVE? Our headrests are designed to fit both Classic and Remastered Aeron chairs. Note the appearance of the Tilt/Lift Mechanism to determine which one you have. WHAT COLOR IS YOUR AERON? Locate the white sticker underneath your chair. The color code is the last 4-5 digits on the first row. It’s Time To Get The Most Out Of Your Aeron. Engineered Now is proud to offer the fine-tuned H3 and H4 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! Superior Ergonomics Offer You All Day Support, Comfort and Focus. The new and improved H3 and H4 Engineered Now Headrest provides reliable support that adjusts freely Up & Down, Forward & Backward, Tilt Up & Tilt Down, and all from a seated position! The headrest “Locks” into position for personalized support, but can still be adjusted easily by hand from sitting. With ergonomics in the forefront of our design, the headrest adjustments are intended to be free flowing and to flex with your bodies position in order to preserve an ideal body posture. Experience The Difference – Upgrade Your Task Chair Now. Experience instant relief as you lean back for the first time with the latest Engineered Now Headrest. Expertly designed to not only perfectly match the fabric and design, but also to enhance the ergonomic support of the Herman Miller Aeron Chair. Our headrests allow you to relax and maximize your productivity. Experience better focus by promoting your body’s natural alignment as our headrest move with your body movements, offering full support through the day. Easy Installation and Adjustments. Engineered Now headrests are easy to install and come with everything you’ll need. Once your headrest is attached to your chair, follow our simple instructions for making the adjustments to find your perfect fit. Please be sure to select the correct’Size’. H3 – For individuals under 5’11” (Under 180cm) H4 – For individuals 5’11” or taller (Over 180cm). COLOR AND WEAVING – Classic Carbon – Color Code 3D01 – The Engineered Now Headrest perfectly matches your Aeron Chair in comfort, quality, color of frame and Mesh and the mesh weaving. Please make sure you choose the right Model and color of your chair, see our images and text for assistance. Headrest only; CHAIR NOT INCLUDED. ERGONOMIC DESIGN – Provides head and neck support to help maintain comfort and alignment during long sitting sessions. Designed for ergonomic performance. Free-Floating System – Tilt and height adjustments move freely. Forward and backward angles can be locked for a custom fit and lasting comfort. 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.