Human Engineering

Human Engineering





PostureFit Innovation

A modest, but fundamental, design addition, PostureFit is part of what makes Aeron so comfortable to sit in, even for hours and hours on end. PostureFit supports the way your pelvis tilts naturally forward, so that your spine stays aligned and you avoid back pain.

It took seven years to develop Aeron, and that development started in an unlikely way. Stumpf and his design partner, Don Chadwick, were involved in a Herman Miller research project that was investigating what older people needed in terms of long-term sitting. They discovered that one of the big problems was the heat that builds up between you and your chair when you sit in it for four hours. Three years later, when Stumpf and Chadwick were beginning to think about a new work chair design, that discovery came into play.



  Human-Centered Design

We're serious about comfort. The high, wide, contoured back takes the pressure off your lower spine. Armrests slope slightly down in the back for the most natural and comfortable support. The "waterfall" front edge of the seat takes the pressure off your thighs, so your blood keeps circulating and you stay alert and focused. The patented Kinemat tilt mechanism lets your neck, shoulders, hips, knees, and ankles pivot naturally. The Aeron chair moves effortlessly with your whole body, as if your body were telling the chair what to do.

There was no upholstery or padding. The Pellicle suspension that replaced the cushions let air circulate, so bodies that sat in the chair for hours on end didn't overheat. There were no straight lines on the chair, because the human form has no straight lines. The curvilinear shape Stumpf and Chadwick developed distributed weight in a natural way that relieved pressure points and kept blood circulating. There weren't big, comfy models for the top brass and stripped-down models for the lowliest clerks. It was a democratic chair that was transparent and nonintrusive in the environment, yet had a look so distinctive that New York's Museum of Modern Art snatched one up for its permanent collection.


First Chair to Lose the Foam

Where are the cushions? A chair should conform to your contours and relieve the pressure points and heat build-up that cause the aches and pains and fatigue that people who sit all day often think are just part of the job. The Pellicle-that specially woven seat and back suspension material developed for Aeron-does what cushions can't. It conforms to your body and cradles it, keeping the pressure even across your body-and keeps you cool at the same time.