Ugly Christmas sweaters have become so popular in recent years that the festive top tradition now has its own day of celebration.

Because if a giant glittery reindeer sewn onto the front of your shirt doesn’t get you in the holiday spirit, what will?

For inspiration, CTVNews.ca has provided a sampling of the most tacky tops circulating on social media. A word of caution: Don’t wear these to the office holiday party.

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Oh Christmas tree. #beallsflorida #nationaluglysweaterday

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#NationalUglySweaterDay ��

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Happy #nationaluglysweaterday

A photo posted by Kristin Kaufmann (@kristin_kaufmann) on