I just started using these panties yesterday. I put on a clean Knix period panty last night around 11 PM. To my horror, when I woke up in the morning, my knix panty was soaked with blood through and through. The sanitary liner and my pants which I wore on top of my knix panty were really soiled with blood. I am happy this happened overnight and not at work where it would be such a huge embarrassment. I spent a lot of money to buy 3 panties which are just like regular panties and this morning I am again having to wear panties with liners since the Knix panty leaked as if it was a piece of regular cloth.