When you sit in this WorkPro 4000 Series High-Back Office Chair, you'll be surrounded in comfort and support, so you can focus on tackling your to-do list. The convex-shaped back is carefully designed to support your lower back and enhance the natural curve of your spine, and the back height can be adjusted to suit users of different heights. Depending on your workstation, you may need to adjust the comfortable office chair to best suit your situation, and with the adjustable seat depth and seat height, making these alterations is a breeze. The extra-thick, molded foam seat cushion provides plush comfort and the mesh seat back promotes airflow to help you stay cool as you work. Plus, the sleek design of the chair fits in well with contemporary office décor.