This attractive upholstered office chair is loaded with options to maximize your comfort and productivity when you're working long hours. Its high-back, integrated headrest and built-in lumbar support help prevent back strain. You can increase lumbar support using the pressurized lumbar support knob. The padded swivel seat is thickly padded to 3" features a waterfall edge. Height adjustable padded armrests take pressure off your shoulders and neck. Easily adjust the seat's back angle, seat height and tilt angle with three paddle mechanisms conveniently located under the seat. The infinite-locking back angle adjustment helps reduce disc pressure by changing the angle of your torso. Turn the tilt tension adjustment knob to increase or decrease the amount of force needed to rock or recline and lock the seat in place with the multi-tilt lock mechanism. This ergonomic chair is a stylish addition to any workspace.Multifunction Executive Ergonomic Office ChairUpholstered Back and SeatHigh Back Design with HeadrestPressurized Lumbar Support Knob, Height Adjustable Padded ArmsTriple Paddle Control Mechanism, Infinite-Locking Back Angle Adjustment helps reduce disc pressure by changing the angle of your torsoMulti-Tilt Lock Mechanism rocks/tilts and locks the chair in infinite positions, Tilt Tension Adjustment Knob adjusts the chair's backward tilt resistanceCAL 117 Fire Retardant FoamWaterfall Swivel Seat reduces pressure on your legs, Pneumatic Seat Height AdjustmentHeavy Duty Nylon BaseLeatherSoft is leather and polyurethane for added softness and durability