Duorest specializes in ergonomic seating that is original, comfortable and affordable. Manufactured in South Korea, this line of chairs is well built and delivers durability and dynamic design that responds to the body's movement. DUOREST chairs are equipped with the patented technology invented by German Physics Professor, Dr. Matthias Brünig, who revolutionized the way we sit, using dual backrests that support one’s back firmly without exerting pressure on the spine and distribute the pressure to the left and right back muscles effectively. Check out our offerings from Duorest and see the difference.