The Air Pillow was recently reviewed at EasternSlopes.com - click here to read the post. 

 

Here's an excerpt to get you started: 

Exped’s Air Pillow simply removes any reason to NOT carry a dedicated pillow. At 3 ounces (size medium), it’s so light that you can’t justify leaving it behind. Not enough room in your pack? Stuff it in your cargo pocket in your pants; it’s small enough.