High Back Super Mesh Office Chair with Black Italian Leather Seat [LF-W42B-L-HR-GG] Contemporary Office Chair High Back Design with Headrest Ventilated Mesh Back Material Height & Tension Adjustable Built-In Lumbar Support Tilt Lock Mechanism Tilt Tension Adjustment Knob Padded Black Leather Upholstered Seat Waterfall Seat promotes healthy blood flow Swivel Seat Pneumatic Seat Height Adjustment