The G20 is one of the highest quality office chairs on the market and it's Made in Canada! The chair sports a cast aluminum frame and a special mesh back composed of alternating vertical rows of clear elastomeric yarns. A four position synchro-tilter control makes seat and tilt adjustments simple, with control levers at fingertip level. The G20’s unique lumbar tension system adjusts to pressure and body shape ensuring comfortable back support. Whether you lean back to swipe a tablet, or move forward to review project details, each task requires a different posture. This chair is extremely comfortable, stylish, and fully ergonomic.