Aeron Chair by Herman Miller - Home Office Desk Task Chair Fully Loaded Highly Adjustable Medium Size (B) - Lumbar Back Support Cushion Graphite Frame Classic Lead Pellicle Genuine Authorized Herman Miller Retailer and Service Center - 12 Year Factory Warranty is INCLUDED! Genuine Highly Adjustable Aeron with Lumbar Support Pad - Medium Size B - Graphite Frame Adjustable 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!