Secure double buckle design The double buckle system ensures the Water Backpack for Running stays securely in place, offering stability and comfort whether you are running, hiking, or cycling. The elastic front cord allows you to secure items like headbands. Reflective strips for visibility Pack Backpack features reflective strips on both the front and back, enhancing visibility during night runs or cycling. Material and weather protection Made from water resistant nylon material, this Water Bladder Backpack is designed to withstand light rain and splashes, helping keep your belongings dry while you focus on your outdoor activities. Versatile storage and hydration This lightweight sports backpack has a dedicated compartment for a water bottle with water tube fixing belts to help you stay hydrated during outdoor activities. It also offers multiple storage pockets for snacks, maps, or small gear items, plus a front convenient zipper phone storage pocket. Use scenarios Running or trail running: Hydration from the water bottle compartment, headband secured with the elastic front cord, and quickaccess phone in the front pocket during a workout. Cycling or night rides: Reflective strips improve visibility, while you stay hydrated and keep essentials organized and reachable. Day hikes or short outdoor trips: Multiple pockets store snacks, maps, and small gear, with water tube routing to maintain hydration on the move.