DetailsDare to brave the elements with this patented design, as the perfect solution to keep your phone dry under extreme conditions. Take your kayak or sailboat out. Go alpine skiing and snowboarding. Run in the rain. Bring it on! Because the Hydralock arm band is a waterproof solution designed for adverse weather (but not submersion under water). Not only does it fit over-sized phones like the iPhone 8, it has an audio-friendly TrueTouch window. Your phone is protected by a waterproof seal and fold-down VELCRO® closure. An exterior pocket with VELCRO® enclosure stores small valuables safely.