The ZOY MB BLACK has advanced ergonomic features for optimal comfort and support. It has a 3D armrest mechanism and gel PU pad for an adjustable fit, as well as a seat height and seat slide adjustment. The backrest and seat are constructed with glass-filled grey nylon and molded foam, while a heavy duty mesh provides superior durability. The chair sits atop a chrome base and nylon castors for ease of mobility. The gaslift ensures a personalized seat height setting.