Paula Bernetta

International Sweatpants Day 2024. International sweatpants day on january 21st celebrates one of the comfiest pieces of clothing ever invented. It’s a day to don your sweatpants and wear them all day long!.

From date to history, here’s all you need to know about this day. January 21 is a perfect day to get comfy and chill out in your favorite loungewear because it is international.