Versatile design for multiple outdoor activities This vest is built for running, hiking, and cycling, delivering dependable performance across common outdoor scenarios. Hydration ready for long sessions Quick access to your water supply is built in with a water bag slot, making long runs and rides easier to manage without stopping. Secure, theftresistant storage Features a concealed zipper pocket and an antitheft phone pocket to protect valuables. An antislip fabric helps keep items in place during movement. Comfortable, balanced support Lightweight carry system with adjustable shoulder straps and breathable mesh reduces strain and promotes even weight distribution while you move. Key attributes you can rely on Function: designed to support hydration, storage, and secure packing during activity. Compatibility: accommodates standard hydration systems and water bags used in hiking and cycling. Size and fit: adjustable shoulder straps to fit a range of body sizes and torso lengths. Material and performance: breathable mesh and antislip fabric enhance comfort and stability during activity. Use scenarios Long trail run or day hike: stay hydrated on the move while keeping valuables secure and stable through uneven terrain. Road or mountain biking: quick water access and reliable storage for essentials, with items held securely during fast motion. Multihour outdoor sessions: adaptable and comfortable for varying activities, helping you maintain balance and comfort over extended wear.