Office Star’s Space Air Grid Series Office Chair offers comfortable seating for your conference room, office or computer lab. The mesh “Air Grid” backrest allows air to circulate around the body and features built-in lumbar support. A padded, contoured seat with leather upholstery and pneumatic height adjustment provides soft, versatile support. Adjustable arm rests and tilt controls help accommodate each person’s seating needs. Roll your office chair easily from workstation to workstation, thanks to the heavy-duty nylon star base with five dual-wheel carpet casters.