* High-back office chair * Black leather upholstery * Lumbar support * Thick, overstuffed seat and back * Waterfall seat for healthy blood flow * Nylon arms with thickly padded arm rests * Spring tilt control mechanism * Pneumatic seat height adjustment * Tilt tension control * Silver finished nylon base * Dual wheel casters * Seat size: 20.75"W x 20.5"D * Seat height: 18.25" - 22""H * Seat thickness: 4.5""H * Arm height from floor: 26.75" - 30.5""H * Arm height from seat: 8.75"H * Back size: 21.5"W x 25.5"H * Overall dimensions: 27.5"W x 27.5"D x 41.5" - 45.25""H