I was on the wait-list for a Mocke PFD for over a year, and received mine about two months ago. I used mine just today, on a nice LSD (long slow distance) surfski training day.
I need more time with it, but so far it is very comfortable. It is constructed with small blocks of foam that articulate nicely, but as has been noted it is not USCG approved. It is primarily designed for surfski/racing use.
There's a long discussion this PFD at http://www.surfski.info/forum/2-announcements/14543-new-mocke-pfd-released.html .
First Need Purifier
PFD's (Life Jackets)
Kindle / iPad Cases
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