OFM Ergonomic Upholstered Multi-Adjustable ComfySeat Task Chair with Arms, Gray Seven adjustment features: seat height, back height/angle/depth, and tilt/tension/lock for total ergonomic comfort Built-in lumbar support Plush back and 3" thick seat are upholstered in stain-resistant fabric Seven-position adjustable arms for customized upper body support 250 pound weight capacity