Motorola Droid Turbo 2 Armband, HHI Sports Armband with Key Holder Pocket For Motorola Droid Turbo 2 Black. Armband Fits Small to Large Arm Sizes (Fits Droid Turbo 2nd Gen Only) Adjustable Armband: Fits small to large arms Perforated design to ventilate moisture and Washable material Convenient built-in key holder pocket Perfect companion while you run, ride and lift Flexible lightweight adjustable wrist/armband