The ergonomic Sonja Office Chair comes with a host of features to help you stay comfortable while working in a home office or at the workplace. The green fabric seat adds a pop of color and is contoured for comfort, swivels and is height-adjustable. The high airflow mesh backrest is breathable and has built-in lumbar support. The base has dual wheel casters for mobility and armrests add comfort. This modern mid-back office chair has a smooth tilt mechanism with lock and it is suitable for commercial use.