Rim Runner X22Capacity meets comfort in our new Rim Runner X22 hydration backpack with ample room for a days worth of gear. To ensure you're prepared for the challenges along the trail, the new Rim Runner X22 hike pack provides durable, dual layer overflow stretch pockets so you'll have everything you need close at hand. In addition, you'll keep cool with the Air Support back panel, designed for maximum air flow on those hot weather hikes. For flexibility and