Billions of tires end up in landfills around the world every year. Somebody had to do something. So we did. Something really, really good. We reinvented the tire-recycling process from the ground up. We call it upcycling and it produces a 100% clean, virgin rubber substitute called APX. Then we used APX to create Tredagain: The world's first upcycled-tire shoe. From now on, when it comes to tires, 50,000 miles is just the beginning.