Mono ChairMeeting ergonomic criteria is one of the most obvious requirements a modern office chair has to fulfil. Careful consideration has gone into the development of the MONO chair which features a simple to use synchronised mechanism that free floats or locks the chair in upright position and raise the seat height. Adjustable lumbar and soft padded arm rests offer a high level of comfort during long periods of sitting. Key Features; Elastic mesh back Height