We have 2 black-on-black aerons in size B available. One is fully stripped, with only height and tension control for the tilt, no tilt lock, no adjustable arms, no lumbar pad, etc. We are selling it for $259. We also have one that has height and tilt/lock, but also no adjustable arms and no lumbar pad. It has some wear showing on one armpad. We are selling it for $309. The pellicle (mesh fabric) has no flaws on either chair.