This ergonomically designed office chair offers plenty of adjustable features to get to your desired comfort level! The triple paddle control feature controls your seat height, back tilt position and knee tilt. The most valuable feature of this chair is the controlled lumbar knob that allows you to increase and decrease the pressure provided to your back. The durable nylon base features rigid end caps that prevent feet from slipping. For your next office chair, look no further than this extremely comfortable and stylish leather office chair! BT-9835H-GG High Back Swivel Chair, Pressurized Lumbar Support Knob, Triple Paddle Control Mechanism, Back Tilt Tension, Back Tilt Lock Paddle Control, Locking Tilt Paddle Control, Paddle Adjustable Pneumatic Seat Height Adjustment, Height Adjustable Padded Nylon Arms, Heavy Duty Nylon Base with Rigid End Caps, Dual Wheel Casters, Black LeatherSoft Upholstery, LeatherSoft is leather and polyurethane for added Softness and Durability Office Chair 1