For Sale: Herman Miller Aeron Chair – Size A (Small) – Fully Loaded?? For sale is a Herman Miller Aeron size A (small) in excellent used condition. This is the fully loaded version with premium ergonomic adjustments and the lumbar pad back support for excellent comfort and support. Features Include. Adjustable arms. Tilt limiter and seat angle adjustment. Forward tilt function. Tension control. Breathable Pellicle mesh seat and back. Iconic Aeron design built to last. ? This chair has been vacuumed and steam cleaned. ? Message me with any questions. Thank you for looking!