Mesh office chairs can keep you more productive throughout your work day with its comfort and ventilated design. This chair features transparent, breathable mesh material that allows air to circulate and molds to your body. The mid-back design offers support to the mid-to-upper back region. 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. This mesh office chair features a flexible, but firm back to provide a comfortable sitting experience. BT-2779-GG Color Black Finish Chrome Metal Upholstery Black Mesh Made of Chrome, Mesh, Metal, Plastic Contemporary Task Chair Mid-Back Design Flexible Black Mesh Material Built-In Lumbar Support Tilt Lock Mechanism Waterfall Seat promotes healthy blood flow Swivel Seat Pneumatic Seat Height Adjustment Padded Arms Heavy Duty Chrome Base Dual Wheel Casters Capacity 250 lbs. Some Assembly Required Warranty Info 2 yr Parts Overall Dimensions 25.50 W x 21 D x 41 44 H Seat Dimensions 19 W x 18.50 D Back Dimensions 18 W x 18.50 H Seat Height 18 21 H Arm Height from Floor 28 31 H