- Generous storage capacity and easy gear management, paired with an efficient hydration system to help you reach your running goals. This hydration vest backpack is designed with practical fundamentals in mind, featuring a dedicated hydration setup and ample interior space for a seamless, comfortable run. - Enhance your performance: Maximize your effort with this running hydration vest. The soft fabric and stretch closure allow you to move without distraction, delivering reliable comfort and stability during intense training or racing. - Improve your outdoor performance: The hydration vest supports staying hydrated during outdoor activities such as cycling and hiking. Made from stretchable, breathable, and comfortable materials, it is well suited to enhancing the outdoor experience across a variety of sports. - Perfect gift: Suitable for cycling, hiking, running, skiing and more, the hydration vest backpack is ideal for runners, hunters, and fitness enthusiasts. Great for friends and family who enjoy outdoor sports.