We all have those old, torn sweaters we refuse to throw away or those beaten up, bleached jeans that still fit so nicely we can't bear to part with them. These pieces may not be high on the fashion must-haves list, but there are so many hidden gems in our closets, some of which we may not even know are there. Trends change all the time and style revivals are always in the air. It's because of this that we are all "closet" hoarders at heart. Sometimes it's hard to tell what to keep and what to toss when we're sorting through our things. Why give it away if it could be in style next season? Well, let's take a look at some of the fashions that are back in action.