The task chair with adjustable arms has a superior, high density molded foam seat that's upholstered in Black fabric and it comes with a Blue seat cover that fits snugly over the fabric cushion. It has a mesh back with lumbar support, tilt lock, tension control and a nylon base with soft rubber casters. It also has a seat depth adjustment and it can support up to 300 lbs. See details listed below for measurements, warranty and more.