Herman Miller Mirra 2 Ergonomic Lumbar Aeron Mesh Office Swivel Chair. Designed to provide maximum comfort and support, this office chair is ideal for those who spend long hours working at a desk. Sleek and stylish design. Constructed with high-quality materials, this chair is built to last. The lumbar support feature ensures that your lower back stays comfortable and supported throughout the day, while the ergonomic design promotes good posture and reduces the risk of back pain. The swivel feature allows you to easily reach all areas of your workspace, making it a practical and functional addition to your office.