The Herman Miller Classic Aeron office chair in the biggest size C is designed to accommodate individuals up to 350 pounds. Known for its ergonomic design and comfort, this used chair offers quality and durability for long hours of sitting. This chair is actually is very cool and looks great in any black setup but really was not for me and my back and has just been sitting in my garage for years.. There are 0 Flaws EXECPT there is a visible crack that’s starting on the SEAT PAN only but this chair is extremely modular and the parts are easily replaceable.