Finding a comfortable chair is essential when sitting for long periods at a time. Big and Tall office chairs are designed to accommodate larger and taller body types. This chair has been tested to hold a capacity of up to 500 lbs., offering a broader seat and back width. High back office chairs have backs extending to the upper back for greater support. The high back design relieves tension in the lower back, preventing long term strain. Mesh office chairs can keep you more productive throughout your work day with its comfort and ventilated design. The breathable mesh material allows air to circulate to keep you cool while sitting. The waterfall front seat edge removes pressure from the lower legs and improves circulation. A synchro tilt control allows the chair's back and seat to recline at different rates, increasing the angle between your torso and thighs. 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 heavy duty metal base is constructed to withstand daily use.