Here's what you need to know to avoid ruining your favorite denim. Almost everyone can agree that finding the perfect pair of jeans is a challenge. So, when you do finally secure that miracle pair that fits just how you want it to, you probably also want those jeans to last you a long, long time. The good news is that denim is a very durable fabric that can last for years and years—and, as some say, it can even get better with age. The not-so-good news is that if you don't properly care for you