Armor-X Sports Armband X-Mount Sports Armband brings the convenience of the X-Mount Mounting System to runners, joggers and gym goers. No longer will you have to struggle trying to fit your smartphone into a neoprene or plastic pouch. it is securely attached to your arm with easy access. It turn your Smartphone into a training buddy or music player. Just clip off your smartphone, take the call or type the message and clip it back on.