G20 is a high quality office chair intended to bring harmony between form and function. •Cast aluminum is used in the wide sweeping lines with delicate edge details and is carefully integrated with highly tooled nylon components to create a crisp simple profile. •New synchronized mechanism which is designed, so that as the back smoothly tilts, the seat also gently reclines and slides to the rear. •Back of the chair is a special mesh composed of alternating vertical rows of clear elastomeric yarns and black polyester yarns. •Lumbar support is fully active. It can be raised or lowered to suit user's preference. •End results is a chair that is extremely comfortable and that will also appeal to design sensitive tastes.