1. Designed for EveryoneThis is the outdoor running bag you can find This lightweight, breathable and adjustable running backpack is made of Lysca fabric that is soft, quick drying, machine washable and prevents any wrinkles from bending and twisting. It is suitable for 6 inch mobile phone, suitable for your family members.2. Large Pocket: It is a main compartment (zipper) + dark compartment, suitable for carrying keys, cash, cards, earphones, passports and small valuables. Hidden pockets are great for towels, so you can easily store them every time you need them without unzipping.3. Headphone Jack and Reflective StripA pleasant and relaxing cardio workout experience. Always keep your phone with you when exercising (for playing music, tracking workouts, heart rate, running routes). Reflective strips take care of your safety when running or walking in the dark4. Cool Running BagThere are 4 ways to carry, you can choose the best and coolest way according to different usage scenarios. Whether you go for a walk, hike, bike ride, fitness, gym workout, yoga, workout, work or shopping, it's a must-have.