NEW YORK (CBS) — Sub-freezing temperatures weren’t enough to stop several New Yorkers from riding the subway with no pants.

For the 17th year in a row, transit riders stripped down to their underwear and rode the train on Sunday.

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It was 17 degrees in New York at the time.

Because of that, many of the riders were still wearing winter boots, hats and gloves.

It was a similar scene in Boston as riders boarded the T train in only their underwear.

Pantless subway rides started as a prank and has grown into an international celebration.

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Pants-free rides were scheduled in about 50 different cities worldwide.

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