This multi-functional task office chair will give you an edge on comfort with its design and adjusting capabilities. Chair is attractively designed with its upholstered back and seat. High back office chairs extend to the upper back for greater support and relieve tension in the lower back, preventing long term strain. The infinite-locking back angle adjustment lever changes the angle of your torso to reduce disc pressure. The multi-tilt lock mechanism rocks/tilts and locks the chair in infinite positions while the tilt tension adjustment knob adjusts the chair's backward tilt resistance. Chair easily swivels 360 degrees to get the maximum use of your workspace without strain. The pneumatic adjustment lever will allow you to easily adjust the seat to your desired height. The height adjustable armrests take the pressure off the shoulders and the neck.