The Herman Miller Aeron Chair in size B is a top-of-the-line office chair designed for comfort and productivity. Featuring black mesh upholstery and adjustable armrests, this operator/task chair offers a sleek and ergonomic design. The graphite frame and casters/wheels provide durability and easy mobility. Partially assembled, this refurbished Aeron chair combines style and functionality for a superior seating experience in any office setting.