This is not your average chair.. Designed by Aeron chair designers Bill Stumpf and Don Chadwick, this Herman Miller Equa chair offers outstanding back support and comfort. The advanced technology of the chair allows you to move around, perform tasks, and sit in a variety of positions in a one-piece shell with an H-shaped cut-out, waterfall edges, and replaceable foam cushions. It’s made to respond to and interact with you, without requiring you to manipulate levers or knobs. TIME Magazine named it the “Design Of The Decade, ” citing it as one of the best-ever ergonomically designed chairs. Comfortable, continuous back support from patented 1-piece shell. Arms can be adjusted both vertically and horizontally. Biomechanical knee-tilt mechanism eliminates pressure points on underside of thighs as chair reclines, promoting healthy circulation. H-shaped cutout allows air to circulate, relieving heat build-up. Thick, foam padding with waterfall edges won’t catch clothing. Super-stable 5-star base with ultra-durable casters. Pneumatic seat height adjustment. Made in the USA. Width of seat: 21. Depth of seat: 19. Height of seat: Adjustable from 15.5″ to 20.5″. Priced at a fraction of the original cost, this is a true bargain. It may be the most comfortable chair you’ll ever sit in.