What is the best (non-CGA) vest for impact protection and flotation? I have an Eagle now which I like, but would like to be a little safer. I ski slalom on a closed course, 15/22 off @32mph wanting to get to 34. Skiing more aggressively and the falls are getting harder. I'm 60 so I'm only going to progress so far. So I can sacrifice some flexibility for safety. Suggestions?