But experts warn that holding on to unmentionables could be bad for our health.
The Good Housekeeping Institute (GHI) recommend binning underwear after a year of use to reduce the risk of infections.
The Sun reports that failing to do so allows bugs like E.coli and dust mites to grow, leading to urinary tract infections, thrush and allergic reactions. Even if you’re regularly washing them, GHI says that most people’s clean undies are home to up to 10,000 living bacteria.
So it might be time to break up with your butt-huggers if they’re looking more derelicte than chic.
Here are some options if you're looking to update your underwear wardrobe right now. Click on the picture to shop five options for $35.