The Original Headrest for the Herman Miller Aeron Chair Headrest ONLY – Chair Not Included (H3 for Remastered, Graphite). 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. Frame Material Engineered Plastic. Seat Material Type Plastic. Maximum Weight Recommendation 300 Pounds. Headrest, Hex tool, Replacement Bolt for A-Size Chairs, Spare Caps, Instructions. Recommended Uses For Product. 11″D x 7″W x 12.6H. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. Your feedback very important to us, after you get your package and you are. Satisfied with our service. If you have any problem with your order / any questions please before leave any type of feedback. Thank you for shopping at our store.