
I have the Ground Effect one for commuting. Its very light, very windproof and the collar is great. The only downside for me is that when I ordered it they didn't do the XS version and I had to get small. I'm not the smallest person in the world and have a reasonable size chest and its still huge - fine with a rucksack on but would be a bit flappy on its own. I'm normally a medium/12 in womens' clothing.
I didn't like the whisper vest as it was too fitted for me in a medium.