Stain Repellent

I was viewing an ad for converse shoes and suddenly a thought cross my mind. You've spent considerable time keeping your vehicle's floor mats clean. You enjoy that fresh clean smell when you open the door of your favorite ride. However, one day you do something you never do. Pick up a stranger. This particular stranger is a female. she is wearing a pair of converse shoes, cutoff jeans and a sheer white blouse. You can't resist. You press the button to unlock the door, she opens it and starts to get in. At this point you notice the grime on her shoes but it's alright because you have a repellent on the floor mats it's all good.