The Tenk Flex high back ergonomic office chair offers the best support and interaction for the user. It boasts an intelligent adaptable backrest and an automatic orbiting pivot which reverts the chair back to its original position without the user having to manually activate any mechanism. Available as a high back executive chair or a medium back operator task chair, the ergonomic design will fully support the user without compromising on beautiful style and design. Some of the special features that the Tenk Flex has to offer includes: synchro mechanism, 360º Swing Seat, sliding seat, backrest and tilt, adjustable arms and lumbar and height adjustment.