Features:Fits Most People: Lightweight and practical, the reflective vest is designed to interfere with your body's natural movement during training sessions. The adjustable elastic waistband includes a cleverly designed individual buckle, making this running vest suitable for most body types. The even weight distribution provided by the men's running vest helps maintain good balance while moving.Stay Visible in Night Traffic: The phone mount vest features reflective elements that allow cyclists or drivers to see you when running in the dark. A reflective printed chest bag is a very useful running accessory for men and women. The running chest pack's reflective logo is strategically placed to help you be seen in low light.Touch Screen Phone Holder: The chest phone holder does not pop up or slide up, and thanks to its touch screen compatible window, it provides simple access to your device. Even larger phones are roomy enough to maneuver easily while running.Carry your essentials with you: The chest fanny pack features a side pocket to store your keys, ID or cash, keeping your valuables dry in all weather. The phone holder vest pocket fits conveniently on the left shoulder with a secure zipper that won't get in your way.Premium Material: Made of premium Lycra material that is gentle on your skin, breathable and convenient, the chest pocket provides comfort during your regular runs and also prevents chafing from arm swinging.