International Sweatpants Day


Sweatpants, which are known as tracksuit bottoms or jogging bottoms in some countries, are celebrated today internationally. They are usually worn for athletic or comfort purposes, and have traditionally not been worn in a work environment. Recently they have started being worn outside of the home for reasons besides athletics. Some have become more fashionable, and have been associated with gym culture and hip-hop culture. They are usually made of cotton or polyester, are baggy, and often have an elastic waistband. They can be any color, but traditionally have been gray. They were introduced in the 1920s by Émile Camuset, the founder of Le Coq Sportif, a sports equipment and clothing company. The original sweatpants were knitted gray jersey pants which were designed to help athletes exercise easier.

International Sweatpants Day is observed next on Tuesday, January 21st, 2020. It has been observed the closest weekday to January 21st since 2010.

How to Observe

Celebrate the day by wearing sweatpants! As International Sweatpants Day always takes place on a weekday, it isn't a day to sit at home on your day off, but a day to go to work or school and do your other everyday activities outside of the house while wearing sweatpants.

Occurrence Patterns

ObservedFirst YearLast Year
the closest weekday to January 21st2010-



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