The photo of the 79-year-old senator has now been printed on a variety of t-shirts and other items, which were sold for charity in his home state of Vermont.

"We are pleased to be able to use my Internet knowledge to help Vermont residents in need," Sanders said in a statement, announcing that the sale has raised $ 1.8 million so far.

AFP photographer Brendan Smialowski is impressed with how his image has been used online.

- The Internet is like a wild animal, difficult to predict and difficult to tame, he says

When Sanders explained his clothing choices after installation, he said Vermont residents know how to deal with the cold and prioritize keeping warm in front of style.