The quad lock iphone 7 plus running armband is the ultimate sports armband for runners joggers and gym goers the quad lock sports armband fits effortlessly and securely onto your arm or over sportswear no longer will you have to struggle trying to fit your iphone 7 plus into a neoprene or plastic pouch by wearing the quad lock sports armband you are only a click away from easy access to your iphone 7 plus and you can be confident that it is securely attached to your arm now your iphone 7 pl