Nathan Frequency for MP3

Nathan Frequency

Now you can easily and comfortably listen to any MP3 device during an energetic run, walk, or hike. Hopefully, it will help increase the frequency of your runs.

• Clear window provides music player protection with easy access to control.
• Holds any sized iPod and most other MP3 players
• Soft, comfortable neoprene fabric flexes to give you a customized, breathable fit
• D Clip binding allows for one-handed, on-the-go, fastening of arm cuff