Cold Water Surfing

After seeing a video clip of people river surfing in Montreal, climbing over huge chunks of ice, someone mentioned "they must be Polar Bears up there".
here is the link
http://www.youtube.com/watch?v=_HRQXPNvtqg
and since some of those guys are my friends, I thought it would be funny to make a quick drawing for them



And, the drawing can be shared on tshirts...
http://www.cafepress.com/artandwater/4704935