Stay hydrated on-the-go with Osprey water bladders and soft flasks. Our hydration bladders are ideal for longer hikes, cycles or runs where a larger water reservoir and easy access is needed. Designed to be easy to fill, use and clean, and made from durable materials, these will be in your kit essentials for years to come. For shorter runs and activities our soft flasks are perfect, easily fitting into running vests(Opens in a new window) and hip packs. Browse our water bladder parts for handy spares too.