The mid-back conference chair has a pneumatic height adjustment with a single position tilt lock, recline tension adjustment and it can support up to 300 lbs. The model in the picture has a black mesh back with a RealRed fabric seat, fixed cantilever arms and a nylon base with carpet casters. It is available in different colors and it's backed by a 12-year manufacturer's warranty including the foam, 5 years for the mesh.