- STAY HYDRATED ON THE GO: This water bladder running vest is designed with a master cylinder that accommodates a 1.5-liter water pump, allowing you to hydrate easily during your runs. It also features a travel backpack compartment, perfect for storing your phone, snacks, and other essentials. (Note: water pump not included.) - LIGHTWEIGHT AND COMFORTABLE: Crafted from lightweight, eco-friendly materials, this vest ensures comfort during extended wear. Its design minimizes impact, making it ideal for long-distance running or hiking. - NIGHTTIME SAFETY: Equipped with reflective strips on both the front and back, this running vest enhances your visibility during nighttime activities. Focus on your fitness routine with peace of mind, knowing you are visible to others. - DURABLE CONSTRUCTION: Made from sturdy nylon, this hydration backpack includes reinforced straps and an anti-fall design, ensuring high stability and longevity. It stands up to rigorous outdoor conditions. - VERSATILE USE SCENARIOS: - Ideal for runners who need easy access to hydration and storage for their essentials during training sessions or races. - Perfect for hikers looking for a lightweight hydration solution while exploring trails. - Great for outdoor enthusiasts engaging in activities like cycling or camping, where hydration and convenience are key. This water bladder running vest combines functionality, comfort, and safety, making it an essential gear for anyone who values hydration and convenience during their outdoor adventures.