The quad lock iphone 66s plus running armband is the ultimate sports armband for to 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 66s into a neoprene or plastic pouch with the quad lock sports armband you are only a click away from easy access to your iphone 6 6s plus and you can be confident that it is securely attached to your arm now your iphone 6