Air Grid Black Fabric Seat Back Adjustable Arms and Lumbar Managers ChairBring a well designed professional appearance to any office. This chair features breathable air grid seat & back with adjustable lumbar support, pneumatic seat height adjustment. Height-adjustable arms and heavy-duty gunmetal finish base with dual wheel oversized carpet casters. Also GreenGuard Indoor Air Quality CertifiedFeatures: • Pneumatic seat height & tilt control • Seat and back made of a breathable air grid • Arms are made of aluminum and polyurethane • Casters are for use on carpeted surfaces • Base is made of aluminum with a gunmetal finish • Arms to Seat Height: 8.75"- 11.5" • Arms to Floor Height: 26.25" - 30.5"Specifications: • Chair Dimensions: 28.5"W x 27"D x 44.5"H • Chair Weight: 44 lbs • Chair Weight Capacity: 275 lbs • Seat Dimensions: 21.75"W x 20.5"D • Seat Height: 17.75" - 22" • Back Dimensions: 21.5"W x 24"H