Give your office a comfort upgrade with this WorkPro 12000 Series mid-back chair. A swivel base and casters allow easy movement, while the nylon and aluminum frame pairs strength with durability. The mesh back delivers ample airflow for breathability, and 1-touch pneumatic height adjustment enables simple customization. This WorkPro 12000 Series mid-back chair has a lumbar support feature to help improve posture and alleviate strain.