The Professional Black Mesh Executive Chair is designed with comfort in mind with is thick padded contour seat and back with built in lumbar support and 2-to-1 Synchro Tilt. This chair is equipped with adjustable tilt tension, a tilt lock and a seat height adjustment. Along with being designed to be flexible enough to make most anyone relaxed, this chair is GREENGUARD Indoor Air Quality certified, making it not only aesthetically pleasing, but environmentally friendly too!