Whether you're going on a daytime hike, an overnight camping trip, or another kind of outdoor adventure, it's important to keep yourself hydrated. With the CamelBak M.U.L.E. EVO 12 Hydration Pack 100oz, it's easy to get the water you need. On top of the 3L Crux® Reservoir Quicklink System, this pack provides plenty of space to carry necessities and important items. An Air Support Back Panel provides ventilation to keep you from overheating while carrying your M.U.L.E.®, and weatherproof construction keeps your belongings safe and secure even in stormy conditions.