Grab a tape measure and update yourself on your body stats.
Wrap the tape measure around your hip bone, make sure the tape is parallel to the ground.
This is your waist size.
There are also clear signs that you might be wearing the wrong size altogether.
If the leg bands dig into your thighs, you’re probably wearing a size too small.
If your waistband keeps slipping every time you bend over, you’re either wearing a size too big or the elastic has gone (and it’s time to clear out).
Other telling signs that you’re in need of an undie-upgrade ……..