Hydration Bladder Water Reservoir for Active LifestylesStay hydrated wherever adventure takes you with our versatile Hydration Bladder Water Reservoir. Designed for the active individual, this hydration pack is perfect for running, hiking, cycling, climbing, and camping. Available in multiple capacities1L, 1. 5L, 2L, and 3Lit's tailor made to keep you hydrated during all your outdoor activities. Key Features Varied Capacity Options: Choose from 1L, 1. 5L, 2L, and 3L sizes to match your hydration needs.