When choosing from the available array and range of office chairs it is hard to decide between the many construction materials available. Conventional fabric seated and durable plastic constructed chairs are now matched by mesh office chairs and the traditional leather variety. All of these have positive attributes. Mesh chairs are noted for their built in ventilation and exceptional lumbar support as created by the curvature of the chair frame holding the mesh. Fabric chairs are for the most part indestructible, as the materials used to create the fabric are chemically treated so as to be more durable. Leather still serves as a an excellent seat facing and seat back material. This natural material is both cool and comfortable.