Stay hydrated on any adventure with the High Sierra HydraHike 2.0 16L Hydration Water Backpack. Designed for hiking, biking, and outdoor exploration, this lightweight hydration pack holds 16 liters of gear and includes a 2-liter Bpa-free reservoir for on-the-go drinking. The top zipper provides easy access to the full-length main compartment, perfect for storing a jacket or snacks, while a front zippered pocket with an organizer secures smaller essentials. The adjustable waist belt ensures a snug fit during high activity. Simply remove, fill, and replace the reservoir, then bite down to drink using the leak-proof on-off bite valve switch. Stay refreshed wherever you go with High Sierra s HydraHike 2.0 Hydration Backpack!