You’re walking through the mall and you see your favorite band on a cool T-shirt. You look at the price and can’t believe how cheap it is—not much more than a slice of pizza and a soda. You should buy it immediately, right? Maybe not. That T-shirt is probably an example of fast fashion. Fast fashion refers to trendy clothing that is made cheaply and sold for a very low price. But the actual cost of these clothes can be much higher, both to you and the planet. Here’s the truth about fast fashion.