DS-> Actually it works well for what it does but the drawback, as
 DS-> you mentioned, is
 DS-> that it doesn't benefit the face or other exposed areas.
 DS-> Unfortunately the
 DS-> only solution to this problem is the cover those areas,
 DS-> which implies a full
 DS-> face mask unit.  I've use a couple of different varieties of
 DS-> these in
 DS-> conjunction with haz/mat and public safety work but don't
 DS-> really care for them.
 DS-> I guess I'll just deal with the cold on my face.
I have the same feeling about a full face mask.  The best way to handle this
though is to dive in warm water. 
--- Ted's Castle 
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