Hoka One One Evo Race Pack 17L is a light-weight hydration pack that will allow you to carry water and essential accessories during your trail run. The large interior features a bladder compartment and eight separate variously sized pockets for organized storage. On the exterior shoulder and waist straps, you will find six additional storage pockets for easy access to fuel and snacks. Additionally, adjusting this pack to your liking is made easy with two buckles on the waist and chest, and two Velcro panels on the hips. Equipped with the AirBack ventilation system, the Evo Race 17L is designed for breathability and comfort.