Ning Run Vest Stay hydrated anywhere: The vest has a main cylinder that fits a 1.5L water pump or cleaning gear, plus a compact travel backpack with room for your phone, snacks, and other essentials. Water pump not included. Built for longterm use: Designed for longdistance travel and extended wear, using strength, lowdensity PE material. Breathable construction helps keep you comfortable during prolonged use and travel. Enhanced visibility and protection: Reflective stripes on the front and back improve visibility for night jogs and outdoor activities, contributing to safety in lowlight conditions. Durable and stable: Constructed from quality nylon with reinforced straps and an antifall design to provide stability and lasting durability. Compatibility and function: Main storage supports a 1.5L water pump or cleaning gear, making it suitable for hydration and lightweight gear on the go. (Note: water pump not included.) Use scenarios: Longdistance runs, trail runs, or cycling where you need quick access to hydration and a few essentials. Day hikes, outdoor workouts, or urban exploration requiring lightweight storage for phone, snacks, and small items. Night or earlymorning outdoor activities where visibility is important for safety.