Riding Running Exploring There's no wrong way to use this convenient and durable hip pack. It's got enough storage for times when you may only need a few of your most important items, and also has external carry straps that keep a shell or puffy in tow while saving room in the main compartment. Plus, no matter how tough the day's challenge or how hot the weather is you'll have refreshing hydration close by thanks to the included 2L reservoir.