Otto Zapf Chair A revival of the original 1970's Zapf Chair An original of the 1970s, the Zapf Chair enjoys a revival from Topstar. Developed by Otto Zapf in 1975 for Knoll, this chair quickly became the epitome of "the Boss's chair." It's comfortable and impressive, and the list of the people who owned one equally so. The Zapf Chair is made with high quality Napa leather, and has much to offer ergonomically. The special cushioning and the chair's distinctive form make it possible to sit in a comfortable and ergonomic manner. It comes with features such as a knee-tilt mechanism, large designer casters and pneumatic seat-height adjustment. Back cushions are easily removable for easy cleaning. An extremely comfortable chair... MODELS: Otto Zapf Chair UZA290 Dimensions Inches Seat Height 17" -20" Seat Width 19" Seat Depth 19" Back Height 28" Total Height 45"-48" Weight 66lbs. Standard Features: Executive Chair, completely upholstered in genuine leather Cover can be removed for cleaning Kneematic-tilt-mechanism, tension individually adjustable to the body weight Tilt lock Polished aluminum base Meets CAL 117 fire rating Made In Germany 5 year warranty 10 year cylinder warranty