Herman Miller Aeron ergonomic office chair – Size C (large). This is the fully adjustable version and includes an aftermarket headrest. Mesh is in good condition with no rips or tears. All adjustment controls function properly including height, tilt, armrests, and lumbar support. Comfortable, supportive, and ideal for long work or computer sessions. A great option for home office or remote work setups. Normal cosmetic wear from use consistent with a pre-owned chair (see photos). Structurally solid and ready to use.