The Nathan SonicBoom is made of a unique hybrid of polyurethane and performance textiles that delivers enduring protection for your iPhone. Ergological™ design integrates NDurAthletic™ and moisture-wicking material for optimum comfort. An easy-touch window allows you to interact with your phone while it is inside the case.
- Soft ergo-armband optimizes comfort and eliminates friction
- Moisture-wicking material moves sweat away from body and adds breathability
- Reflective hits promote low-light visibility up to 1200 feet
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