Task and Conference: Loop arms compliment the form of the frame , while optional height adjustable arms and an adjustable lumbar support turn Cydia in to a veritable task chair. Available with Swivel tilt or knee-tilt mechanism and in full or mid-size. All mesh seat and back. Guest: Cydia can also be used as a consistent design element throughout the office. Guest versions compliment the task and conference chairs, allowing the Cydia family to beautify any space. Lounge: The lounge with ottoman works with the task and guest version, bu offers a more relaxed angle, a lower seat height, increase width and a matching footstool.