With stylish design, customizable control and advanced features, Ignition Low-back Task Chair with a four-way stretch mesh back delivers more than the comfort everyone wants from an office chair. Synchro-tilt control mechanism with seat slider reclines the back and seat in the perfect ratio to give you a natural posture whether sitting upright or leaning back. Breathable, four-way stretch mesh back in a Fog color cradles your spine with natural lumbar support and increases airflow. Arms adjust in height and width while lumbar and cushioned fabric seat in black adjust in height to provide a custom fit. Other functions include pneumatic seat-height adjustment from 16-3/4" to 21-1/4" , 360-degree swivel, tilt tension and tilt lock. Seat measures 18-1/2" wide x 16" deep. Back size is 17-1/2" wide x 19" high. Easy-to-assemble low-back chair holds up to 300 lb. and features a Designer White frame.