The Ergonomic Mesh Back Task Chair provides ergonomic support and prevents body heat and moisture build-up, keeping you comfortable and cool during extended periods of work. It comes with a 4" padded mesh seat cushion for extra comfort. The padded loop arms are covered with Black Caressoft and mike for  comfortable and natural are rests. The adjustable tilt tension control knob, which is located under the seat, allows you to customize the tension of the tilt. It includes a spring tilt mechanism with upright locking position. The chair sits on a 25" gun metal finished base with black caps. The hooded double wheel casters make it easy to move and shift directions.