Chair features a mesh back that allows air to flow freely to help keep you cool as you're seated. Lumbar support offers ergonomic support for your lower back to help prevent strain through extended seating. Seat-height adjustment with tilt function allows a variety of users to sit comfortably at their desk. 360-degree swivel allows you to effortlessly rotate the chair for added convenience. Height-adjustable arms with padded upholstery can be positioned to accommodate your personal preference.