Nathan SonicBoom for iPhone 5

  • Unique hybrid of polyurethane and performance textiles deliver enduring protection
  • 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
Out of stock
Sleek armband offers easy-touch window. Ergological design integrates NDurAthletic and moisture-wicking material. Fits iPhone 5, iPhone 4/4S, and is ANT+ dongle-compatible.
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Style: 4921NAT-2013
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