Product Details:

Center tilt with adjustable tilt tension and lock for added comfort
Meets or exceeds all ANSI/BIFMA standards
Stylish fixed loop arms support wrists for computer work
Pneumatic seat height adjustment allows you to adjust to your comfort
Fixed lumbar support
Overall Dimensions: 36.9" – 40.8" x 25.9" x 28.2" (H x W x D)
Chair Height: 36.9" – 40.8" H (H lowest – highest)
Seat Dimensions: 16.2" – 20.0" x 18.9" x 18.2" (H x W x D)