I have the same issue with my passenger side. Weirdest thing i have ever seen. Did you call and if so what did they say?
---------- Post added at 07:54 AM ---------- Previous post was at 07:47 AM ----------
Some more info:
What is the warranty on WeatherTech® Products?
WeatherTech® All-Weather Floor Mats are guaranteed against faulty materials and workmanship for a period of ten years from the date of purchase.
All other WeatherTech® products are guaranteed against faulty materials and workmanship for a period of three years from the date of purchase.
Exclusions to this warranty are wear through due to severe abrasive conditions, chemical contamination, such as spilled gasoline, bleach, etc. We are reasonable people and we believe in customer satisfaction. Depending on the situation, we will either replace your product at no charge or charge you a prorated amount for a replacement.