READ MORE: Six signs that your period is about to start – from migraines to weird poosBut there are a few things you should know about period pants to calm your nerves, because they're actually pretty amazing. The pants are designed with a special gusset that comprises of three layers – the top layer lets the blood soak through, the middle layer absorbs it and the bottom layer prevents the blood from leaking anywhere.That – in a nutshell – is how the pants work.
