Cool features
So what's behind all those good looks? The most unusual design aspect of the chair, besides its obvious visual charm, is the "Pellicle" material that makes up the back and bottom of the chair. It's a high-tensile open polyester mesh. Most chairs use some sort of foam to support your body, but the Aeron uses an approach roughly analogous to a hammock-the Pellicle material is held firmly in place around the edges of the chair, and it stretches to support your body as you sit in it, distributing weight evenly. One huge advantage of using an open mesh material is that air can flow freely through the mesh while you are sitting, dissipating your body's heat evenly. There's a reason they call this the Aeron chair, after all.
As for the frame, the skeleton is made of a very thick, tough plastic which you'd be hard-pressed to tell from metal. There are also some metal parts cleverly blended into key areas of the frame. The overall impression is that the minimum amount of material was used for maximum strength. It's a fairly lightweight chair to move around considering how solid it really feels.

Pellicle material close-up
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Close-up of back frame
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When examining the Aeron chair, it's clear that a lot of thought went into making this chair not only pretty to look at, but comfortable to sit in as well. The Aeron actually comes in different sizes to suit different body types. You can choose from sizes A, B, and C depending on your body type, height, and weight. There's also no lack of adjustments on the Aeron chair:
- Seat height
- Kinemat tension
- Arm height
- Arm angle
- Lumbar depth
- Lumbar height
- Forward tilt
- Tilt limiter
The Aeron is also available in a variety of colors. The frame is available in two colors (Mica or Grey), and the pellicle material comes in twelve colors. While many of the combinations are a bit too colorful for my tastes, there's something there that will match any décor.