Running in a noisy city can be a major drawback, allow Nathan Sonic Boom iPhone 4 carrier to eliminate the obnoxious noises around you, allowing you to escape into a world filled with waterfalls and grassy green fields.
• Designed for iPhone® 4
• Clear window provies music player protection with easy access to controls
• Soft, stretchable armband is stable but not binding
• Moisture wicking for comfort during intense workouts
• Reflective accents for added visibility