The OFM Core Collection Ergo Mesh Office Chair, in Black, offers similar ergonomics and functionality as leading ergonomic office chairs at a fraction of the price and a sleek, stylish look that is sure to get attention. The Ergo ventilated design includes a 3 part mesh contoured back and headrest with adjustable lumbar, a mesh seat with depth adjustment, Synchro-Tilt control, and 4D adjustable arms. The 4D adjustment allows for height, depth, width, and pivoting adjustment of the armrests. The Ergo Mesh computer desk chair also features a chrome base with arm and caster accents and mesh fabric for the chair back and seat. This desk chair meets ANSI/BIFMA standards, has a 275 lb recommended weight limit, and is backed by the OFM Limited Lifetime Warranty.