Ideally designed for task, conference and collaborative spaces, the Neo Task Chair with height-adjustable arms features simple, clean lines and a neutral mesh back color make that it naturally versatile and effortless fit for your decor. Molded foam seat with waterfall edge and onyx fabric upholstery is perfect for every sit whether brief or extended. Integrated adjustable lumbar is easy to adjust. Simply lean forward and slide the tabs up or down. Lean back, and enjoy the back support tailored just for you. Other functions include seat slider, full synchro tilt, three-position tilt lock, center knob tension adjustment and pneumatic seat-height adjustment from 17-1/2" to 21-1/2". Mesh back, arms and base are all gray to match. Seat measures 19-1/2" wide x 17-1/2" to 20" deep. Back size is 17-1/2" wide x 21" high. Weight capacity is 300 lb.