Introducing the Human Touch Circa Zg Chair. Circa combines the therapeutic benefits of zero gravity seating with air massage technology, soothing heat, and power-adjustable seating. Control the chair using the included remote or the easy-access, one-touch armrest controls. Designed with a durable, steel swivel base paired with luxurious leather and an Oak wood-accent, Circa delivers both soothing neutral-posture pain relief and exceptional seating comfort.