Amp up the tunes as you amp up your run with the Nathan Super 5K Smartphone Armband. This armband offers a hands-free way to keep your phone close for music and security. It is made from soft neoprene that's lightweight and comfortable on your arm. It is water resistant against sweat and rain, while the reflective accents help you to be seen. The armband adjusts for a variety of sizes, while the spacious clear pocket fits almost any type of phone.