1. VERSATILE FOR ALL ACTIVITIES: This chest pack is perfect for marathon, Biking , running, cycling, hiking, climbing, working out,snowboarding, ski, exercise etc. Its multi-functional design ensures you can use it for any adventure, providing you with the convenience and reliability you need to carry your essentials comfortably and securely. This chest bag adapts to your lifestyle. SIZE OF THE FRONT POUCH - 8 X 4.75 INCHES. BACK POUCH - 9 X 7 INCHES. 2. ANTI-BOUNCE DESIGN: No more annoying keys bouncing while you run or move. The inside mesh compartment keeps your keys in place. 3. WATER-REPELLENT DESIGN: Crafted from durable material and tough zippers, this chest bag is waterproof, ensuring your belongings stay dry and protected even in unpredictable weather conditions. The high-quality construction means you can trust it to keep your valuables safe, no matter where your adventures take you. 4. STAY VISIBLE AT ANY TIME: Nobody has to worry about dark-time safety, which is why this chest pack features reflective elements that enhance your visibility during nighttime or low-light conditions. Whether you're running early in the morning or late in the evening, these reflective details help ensure that you are seen by others, providing an extra layer of safety. 5. CONVENIENT EARPHONE PORT: A Minimalist built-in earphone port, helps you to protect essentials from water and comfortably enjoy music, calls, and more. 6. COMFORTABLE WEAR: Designed with ergonomics in mind, this chest pack offers a comfortable fit that won't cause discomfort, even during extended wear. The adjustable straps and comfortable materials make it ideal for long runs, bike rides, or hikes, allowing you to focus on your activity without distraction.