Why you need this vest Keeps you hydrated and comfortable on long efforts: a dedicated water bag slot gives fast, hands-free access to fluids so you can maintain pace and focus. Protects your essentials: a discreet zipper pocket plus a theft-resistant phone pouch with slip-resistant fabric reduce the risk of loss or damage while you move. Reduces fatigue and improves performance: adjustable shoulder straps and breathable mesh distribute load evenly and minimize bounce, creating a lightweight carry system for longer sessions. Key features and benefits Water bag slot for long-distance hydration — designed for use with hydration bladders/water bags so you can access water quickly during running, hiking, or cycling. Secure storage — discreet zipper pocket and theft-resistant phone pouch provide reliable protection for your phone, keys, and small valuables. Slip-resistant fabric technology — helps keep the pouch and its contents stable while you run or ride. Adjustable shoulder straps — customize fit to balance load and reduce strain on shoulders and back. Breathable mesh construction — improves airflow against your body to help manage heat and moisture during extended activity. Lightweight carry system — engineered to minimize added weight while providing necessary storage and hydration support. Practical use scenarios Trail running: fast access to water from the integrated water bag slot, plus secure pockets for a phone and energy gels without bounce or chafing. Day hiking: carry a hydration bladder for long stretches, keep your phone and wallet in the theft-resistant pouch, and stay comfortable with ventilated mesh and adjustable straps. Cycling or commuting: lightweight fit and slip-resistant fabric keep your phone secure while the breathable design reduces sweat buildup on multi-hour rides. Materials and performance notes Constructed with breathable mesh and slip-resistant fabric to deliver ventilation, stability, and secure carrying during active use. Adjustable components and thoughtful pocket placement improve fit and load distribution for a range of outdoor sports and multi-scenario activities. This running vest is designed for outdoor sports—running, hiking, cycling—and built to support long-distance hydration, secure storage, and a comfortable, stable fit so you can focus on performance.