Fitletic Hydralock Armband Wear the Fitletic Hydralock Armband during your next run to keep your phone dry even when you arent. You can trust it to be completely waterproof when its fully sealed, rolled down, and tightly secure with the Velcro® closure. The audio-friendly True Touch window will allow you to easily navigate your smartphone without removing it from the case. Youll be incredibly comfortable throughout your arm swing thanks to inner strap padding.Fits the iPhone 6 Plus and other similarly-sized phones.Features a high visibility reflective accent.Exterior pocket offers extra storage.Built with technical fibers that contour to the shape of the arm. Sizing Small/Medium adjusts up to 12".