The HON Wave Mesh Big and Tall Executive Chair with Lumbar Support, Height- and Width-Adjustable Arms, in Black, is a well-appointed office chair for the value-minded consumer. This computer chair's seat and back are covered in breathable mesh, with lumbar support, to provide exceptional comfort. The mid-range knee-tilt mechanism rotates the seat from a point near the front to comfortably place you in a reclined position. With a wider seat pan, this office chair accommodates users of varying sizes. The desk chair has height- and width-adjustable arms that provide fully customizable comfort and support. Features such as synchro-tilt, upright tilt lock, tilt tension, and pneumatic seat height allow for ergonomic adjustments that keep you seated comfortably, longer. The chair features a five-star base that is molded from reinforced resin and has a 360-degree swivel that provides unrestricted movement. This multi-purpose chair features a robust 450 lb weight capacity and is backed by the HON 5-Year Limited Warranty.