Aeron Chair by Herman Miller - Home Office Desk Task Chair Fully Loaded Highly Adjustable Medium Size (B) - PostureFit Lumbar Back Support Cushion Titanium Smoke Frame Classic Quartz Pellicle High tech mesh fabric; Made largely of recycled materials Patented material on the Aeron distributes pressure evenly over a wider area Spontaneously supports your posture, even when you shift and change positions -- it anticipates your needs and responds Adapts naturally and adjusts precisely to fit people of all sizes and postures doing all kinds of activities, all day long 12 Year factory warranty