This Executive Leather Office Chair offers a stylish appearance as well as comfort. The mid-back design provides support to the mid-to-upper back region. Turn the tilt tension adjustment knob to increase or decrease the amount of force needed to rock or recline. Lock the seat in place with the tilt lock mechanism. The waterfall front seat edge removes pressure from the lower legs and improves circulation. 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 silver nylon base with black caps prevents feet from slipping when resting on chairs base. This chair will make for a great work or home office chair.