This office chair was designed to provide comfort and support. Practical and adaptable for most office settings, mid-back office chairs are the logical choice for performing an array of tasks. A mid-back office chair offers support to the mid-to-upper back region. This chair is ideal for anyone who does a great deal of typing throughout the day and needs good back support. 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 adjustable armrests take the pressure off the shoulders and the neck, which minimizes the risk of pain. BT-682-BK-GG Color Black Finish Black Nylon Upholstery Black Leather Made of Foam, Leather, Metal, Plastic Contemporary Task Chair Mid-Back Design Black Leather Upholstery Back Depth Adjustment Knob Accordion Back Cover Contoured Seat and Back Swivel Seat Pneumatic Seat Height Adjustment Height Adjustable Padded Arms Heavy Duty Nylon Base Dual Wheel Carpet Casters CA117 Fire Retardant Foam Capacity 250 lbs. Some Assembly Required Warranty Info 2 yr Parts Overall Dimensions 24.50 W x 22.50 D x 33.75 37.50 H Seat Dimensions 19 W x 18 D Back Dimensions 16.50 W x 19 H Seat Height 16.25 20 H Arm Height from Floor 23 26.75 H