The ergonomic executive office chair has a high density molded foam seat that's upholstered in Black fabric and it comes with a Tan seat cover that fits snugly over the fabric cushion. It has a mesh back and is height adjustable with a synchro-tilt mechanism that has tilt lock and a tension adjustment. It also has polished cast aluminum arms and a cast aluminum base with soft casters. Quality guaranteed by a limited lifetime warranty.