1. The chest bag is made of high-quality oxford cloth, which is durable and wear-resistant.2. Adjustable shoulder straps fit most sizes.3. The chest bag with large reflective back design makes your night run safer. It is also comfortable and easy to access while riding a motorcycle.4. Chest bag, headphone jack design, listen to music anytime and anywhere when exercising.5. Two zippered pockets hold many daily essentials, smartphones, keys, tissues and more. This running chest pack will give you the ultimate freedom of movement. Perfect for night walks, dog walking, jogging, yoga, hiking, golf, biking, marathon, running, climbing, skateboarding, skiing and other outdoor sports or workouts.