Black Ergonomic Mesh Chair with Elastic Mesh and Lumbar Support

adjustable seat height pneumatic/one-touchadjustable tilt tension: yestilt lock: yesadjustable headrest: yes, height and angleadjustable tilt angle: yeslumbar support: yeswaterfall seat cushion: yesadjustable arm height: yesadjustable arm width: noassembly required: yesmeets ANSI/BIFMA standards: yesweight capacity tested to 250 lb