Herman Miller Aeron Chair Medium Size B – Highly Adjustable, Aluminum Frame with PostureFit Lumbar Support – The Aeron chair by Herman Miller is simply put, the best ergonomic chair you can buy. No other office chair works harder to relieve your back and neck pain than the Aeron chair. The high tech mesh fabric means that this chair doesn’t look (or work) like other conventional office chairs. But what makes it different makes it better! The patented material on the Aeron distributes pressure evenly over a wider area. The result? You’ll stay cool and comfortable no matter what the season. Described as the most comfortable chair in the world and designed with high-tech materials using body-friendly engineering, the Aeron chair comes in three sizes to fit all body types. Genuine Authorized Herman Miller Retailer and Service Center – 12 Year Factory Warranty is INCLUDED! Genuine Highly Adjustable Aeron with PostureFit Lumbar Support – Medium Size B – Aluminum Frame Adjustable Leather Padded Arms, Forward Tilt, Tilt Limiter The Aeron chair by Herman Miller is, simply put, the best ergonomic chair you can buy. The 12-Year Warranty covers everything that makes a Herman Miller Office Chair–including casters, tilts, pneumatic cylinders, and all moving mechanisms. IN STOCK FOR IMMEDIATE UPS GROUND SHIPPING!