Stay hydrated during extra-long runs using the Camelbak Octane 16X hydration running backpack with an included Crux reservoir offering a 3L (101.4oz) capacity, an ergonomic handle for easy refilling & an on/off lever which prevents leaks. The BPA, BPS & BPF free reservoir features Quicklink System & provides 20% more water per sip. The rucksack is made using ultra-lightweight materials & has 8 exterior pockets to let you load up for a multi-sport adventure. There is a ventilated waist belt with cargo pockets for quick & easy access to the essentials, & the front-facing pockets on harness guarantee comfortable fuel & gear storage. Plus, this high-capacity backpack will keep you safe & visible in the dark thanks to reflective details.